EX; ir ii A HANDBOOK TO THE STUDY OF NATURAL HISTORY FOR THE USE OF BEGINNERS. JUST PUBLISHED. Demy 8vo, paper cover, price is. 6d. THE PRINCIPLES AND PRACTICAL WORKING OF THE NEW EDUCATION. A FEW SUGGESTIONS TO PARENTS. By the LADY ISABEL MARGESSON. A HANDBOOK TO THE STUDV OF NATURAL HISTORY FOR THE USE OF BEGINNERS. WITH AN INTRODUCTION BY SIR MOUNTSTUART E. GRANT DUFF, G.C.S.I., F.R.S. EDITED BY THE LADY ISABEL MARGESSON. LOiNDON : GEORGE PHILIP & SON, 32, FLEET STREET ; LIVERPOOL: 45 TO 51, SOUTH CASTLE STREET. 1894. CONTENTS. EDITOR'S NOTE - INTRODUCTION. By 6Vr M. E. Grant Duff, G.C.S.L, F.R.S. - - ix-xx ZOOLOGY. By J. Arthur Thomson, author of " Studies in Animal Life." 1-20 BIRDS. By W. Warde Fowler, M.A., author of "A Year with the Birds," and " Tales of the Birds." - 21-29 SHELLS. By E. R. Sykes, B.A., F.Z.S. - 31-46 THE STUDY OF FLOWERS. By Professor Patrick Geddes, author of " Chapters in Modern Botany." 47-65 THE STUDY OF MOSSES. By Mrs. Tindall - - 67-80 FUNGI. By Miss Lorrain Smith - - - 81-92 SEAWEEDS. By E. M. Holmes, F.L.S. 93-105 MINERALS. By 0. T. Prior, M.A., F.G.S. 107-121 FOSSILS. By F. A. Bather, M.A., F.G.S.- 123-133 How TO OBSERVE WITHOUT DESTROYING. By Miss Edith Carrington, author of "Workers without Wage." - -' - - 135-150 THE MICROSCOPE, AND How TO MOUNT MICROSCOPIC OBJECTS. By Theodore Wood, F.E.S., author of " Our Insect Allies." 151-164 TEACHING NATURAL SCIENCE. By Miss M. L. Hodgson - - - 165-186 A BAND OF MERCY. By Mrs. Suckling - - - 187-198 APPENDIX. 1. HOME MUSEUMS. By Mrs. Brightwen, author of " Wild Nature Won by Kindness." - - 199-215 2. OBJECT LESSON CASES IN THE SCHOOL-ROOM. By Mrs. Brightwen - - - 217-225 3. PORTION OF ALMANACK, &c. - 227-232 2090906 EDITOR'S NOTE. IN offering this Handbook to lovers of Nature, I wish very heartily to thank all the Contributors who have so kindly enabled me to carry out my idea of putting before the Beginner a clue to the many paths of the somewhat bewildering labyrinth called Natural Science. I hope the following Chapters may overcome some of the difficulties felt by would-be learners, who are often baffled at the beginning of their studies by their ignorance of the right lines on which to work. The Book is not intended to take the place of a Primer; it aims, rather, at being indicative of the possibilities and limitations of many branches of the Science, the Author of each Chapter aspiring to play the part of the " Naturalist friend " to the mere lover of Nature, in persuading him to gain some certain knowledge of her laws and secrets. Such a descrip- tion is here set before the Reader, as will enable him to choose for his studies that particular branch for which he has the most inclination and aptitude. I must especially offer my sincere thanks to Sir Mountstuart Grant Duff, for his kindness in writing the Introduction to this Book. May I add that Sir Mountstuart is the " Naturalist friend," who, some years ago, persuaded me to take up the study of Botany, for which I shall always owe him a debt of gratitude. ISABEL A. MARGESSON. 63, St. George's Road, S. IF., May, 1894. INTRODUCTION. THIS book is an insidious attack upon that blissful ignorance of the objects immediately surrounding them which has for some time been the apanage, in all countries, of many who imagine themselves to have received ' a first-rate education.' Beyond the pale of civilization it is not unusual to find people whose observing faculties, abnormally cultivated by the neces- sities of their life, have taught them a great deal about their environment. I remember coming across a set of all but naked barbarians, at Matheran, in the Bombay hills, who knew the name of every tree or shrub in their jungles ; and I also remember asking a subor- dinate of the Forest Department, in another part of India who would have been very much hurt, indeed, if he had been considered beyond the pale of civiliza- tion the name of a shrub we were passing, and being rewarded by the novel information that it was ' a shrub.' Lady Isabel Margesson has, by collecting and editing these papers, practised against the peace of that large class of persons who desire to know nothing beyond the fact that a shrub is a shrub, and a bird a bird a class admirably represented by a boy, who, after listening with exemplary patience to some botanical information which was being communicated to him, said, ' Now, Uncle Charles, don't you think we might stop and talk like gentlemen for a little ? ' In carrying into effect her nefarious design, Lady Isabel has been abetted by a number of associates who have given many years to the study of various branches X. INTRODUCTION. of Natural History. Each of these is responsible for a chapter, and all have entered into her idea, which was to help people who had a desire to know something of the Natural World, but no definite notion as to how they were to begin. Her undertaking was the out- come of an experiment to form a small society, amongst some of her friends, for the purpose of studying Natural History, which seemed likely to succumb, at the outset of its career, to the very difficulty I have indicated the difficulty of making a first step. This book, placed in the hands of the members of that association, or of any similar body, will effectually prevent such a catastrophe, for the writers of all the chapters have been most careful to show how students, young or old, can most easily and profitably approach the subjects dealt with in each ; how they should observe, what books they should read, with what instruments they should be furnished, and where they can best procure those instruments. The papers are far too numerous for me to remark upon all separately in a brief prefatory notice ; but I may say a word about one or two of them. Mr. Arthur Thomson, the author of the ' Study of Animal Life,' in Murray's University Extension Series, treats of Zoology. He would have children begin by watching the ebb and flow of the seasons, putting the manuals, necessary to help them in so doing in the hands of their parents. He would discourage in the latter the habit of treating anything with carelessness the habit of saying ' that's only a leaf,' or ' this is nothing but a shell.' He would have early attention given to the curious action and interaction of plants on plants, animals on animals, and each class upon the other. He would early make his pupils acquainted with the works of the traveller-naturalists. He INTRODUCTION. XI. would interest them in the every-day life of animals, holding that ' hunger and love solve life's problems.' These studies would lead on to the analysis of struc- ture; this to the activities of the animal body, and that to the history of animal life, and the study of causes. Under every one of these heads he gives copious lists of books, which will make the path he invites those whom he addresses to tread, an easy and a pleasant one. Botany has been confided to Professor Geddes, who is evidently in thorough sympathy with Mr. Arthur Thomson's ideas, and writes mutatis 'mutandis just in the same vein. His view is put in a fanciful, but effective, way in some sentences which I extract from his ' Chapters in Modern Botany.' ' To the dawning intelligence of the race, the forest is vaguely astir with a life which man does not clearly separate from his own a mystery of growth which has left its mark deep in the history of all religions. A later and more self-conscious mind moulds this omni- present life into anthropomorphic shapes ; so a Dryad hides in every tree, while Pan roams through the glade. These anthropomorphic shapes are next for- malised away from the living realities they symbolise ; they become mere shadowy gods, then fairies and fables.' ***** ' But as the ages of fetishism, of Hellenic anthropo- morphism passed away, so now the formal and utilita- rian and analytic spirit is passing also in its turn. Science is entering a new and brighter Hellas ; the Dryad, living and breathing, moving and sensitive, is again within her tree ; nay better, the plant is herself the living Dryad, her naked beauty radiant in the sun.' x ii. INTRODUCTION. The point of Professor Geddes's paper is that plants should be studied as living organisms, 'as moving feeling, breathing, struggling creatures.' Books are absolutely necessary, and herbaria are no less necessary, but the chief place of learning should be the fields. He accompanies his readers through the seasons, and sug- gests that each should make for himself a Naturalist's Year -Book. He gives a full list of works calculated to assist in this enterprise, but, lest his pupils should fall into too easy ways, insists, most wisely, upon accuracy and precision. By his method, with the assistance of any good English Flora, such as Hooker's or Bentham's, and a reasonable amount of locomotion, the student will easily obtain a large and accurate knowledge of British plants. When this has been done, however, there are many new regions to conquer ; the whole world's flora lies before the enquirer. Such books as Humboldt's ' Aspects of Nature,' and Darwin's ' Naturalist's Voyage,' and Miss North's collection at Kew, which will, doubtless, soon give birth to similar galleries in other places, will enable even the home-keeping travel- ler to form many correct ideas. Hours in the fields, judiciously combined with hours in the library, will lead to questionings about the web of life, and the influence of plants and animals upon each other ; to the works of Sir John Lubbock, and so many more who have devoted themselves to this branch of observation. Then will come physiological botany, which has of late years been engrossing the attention of an undue number of workers, but is none the less indispensable to those who would understand the life of the plant. Time was when the followers of Linnaeus had it all their own way, and Systematic botany ruled supreme* INTRODUCTION. Xlii. Now a new generation has arisen, and it is even said that people pass for great botanists who have not a speaking acquaintance with many of the commonest plants. From all that, however, there will be a reaction ; Systematic and Physiological botany will be seen to be sisters, not rivals. ' We do not suppose,' says Professor Geddes, towards the close of his paper, ' that the thorough student can dispense with any of the disciplines above mentioned ; he must still study in the schools of Linnaeus, of Jussieu, and of all the great masters, but no longer as a drudge, hoping some day to get to the fields, rather as a field-naturalist, who takes to the laboratory and the library to find the solution of the puzzles which his day's observations have brought him to face/ This is the true doctrine, and they who follow it will advance far further and faster than those who begin with school text-books, which are too often got up merely for examination purposes, and, far from leading their victims into the pleasant paths of botanical study, teach them in after years to loathe its very name. Mrs. Tindall, in a chapter on the Study of Mosses, breaks ground by pointing out that the good time of those who collect them begins just as the year is ending for those who devote themselves to flowering plants ; enumerates the necessary appliances, tells the student how his specimens should be dried, gives a general description of the tribe and an account of some of its more important divisions, takes a rapid survey of the nearly allied group of the Liver-worts, and indicates alike the manuals that will be most useful to the beginner, and those which will assist in the later stages of study. One warning which she gives is highly important : ' A very small quantity of each Moss is sufli- XIV. INTRODUCTION. cient for preservation as a herbarium specimen or for investigation ; therefore, let not the joy of the collector, in finding a plant hitherto unknown to him, lead him to gather all he sees. Through thoughtless- ness in this respect rare plants may be exterminated ; the goose is killed that lays the golden eggs.' This hint is, at least, of as much moment to those who gather flowering plants, and will become of more and more importance as Natural History extends. In Switzerland the havoc which has been wrought by schools, and still more by persons tearing up plants with a view to sell them, has led in some places to legislation, and to the formation of a society, presided over by Mr. H. Correvon, for the purpose of protecting the rarer Alpine plants, which are menaced with destruc- tion by thoughtless or thievish persons. This gentle- man has an establishment at Geneva, where Alpine plants, all grown from seed, may be bought, and where, also, their seeds can be obtained. It only requires to be known, I think, to be a great commercial success, provided always the persons in charge of it take care to send really good plants, and not poor specimens a first condition of success in all such enterprises. Although no plant in a herbarium is perfect without its roots, the importance of preserving the wild vegeta- tion in a thickly-peopled country is so great, that no schools or ordinary botanical students should ever be allowed to root up plants which are in the slightest degree rare, and the mischievous practice of collecting specimens for exchange should be as much discouraged as possible. If this is not done, sooner or later the owners of the land, on which the rarer plants of the country grow, will become alive to their treasures, and will make it very uncomfortable to carry on herborisa- tion, thereby injuring students and preventing a great INTRODUCTION. XV. deal of harmless pleasure, by enforcing restrictions, for which, however, collectors will only have to thank their own folly. Fungi are treated by Miss Lorrain Smith, recom- mended, like Mrs. Tindall, by Mr. Murray, the head of the Cryptogamic Department in the Natural History Section of the British Museum, who begins by setting forth that there are in this country twice as many fungi as there are flowering plants, and that a success- ful collector may any day discover a new one. She sketches a number of the groups into which they are divided, tells, a little too briefly for clearness, the curious story of the corn-mildew, which passes the early part of its life on the barberry tree ; her object being, I suppose, rather to show that there are very strange and unexpected facts to be discovered in connection with the organisms of which she treats, than to give more definite information; hints the necessity for care even in dealing with the so-called edible fungi, and gives a short list of the works which she recommends. Shells, Fossils and Seaweeds have all fallen into good hands, as has the Microscope. A great many useful hints are to be gathered from Miss Hodgson's paper on ' Teaching Natural Science,' the fruit evidently of much experience, and from Miss Carrington's ' How to observe without destroying.' Even the inorganic world has received some notice in this volume, for there is an excellent chapter upon minerals. Its author recommends the student to begin by familiarising his eye with the various characters of the different rocks, in railway cuttings, among moun- tains, or sea cliffs. Then he should collect a few specimens of these rocks, and try by, closer examina- tion, to determine the causes which make their appear- Xvi. INTRODUCTION. ances to vary. Next, Laving carefully noted what a mere inspection of his specimens can teach him, he should make such simple experiments upon them as will enable him to determine their more obvious characters hardness, cleavage, specific gravity, and the like. The student in or near London has the immense advantage of finding, in the Natural History Museum, in Cromwell Road, the most elaborate series of speci- mens and models illustrating the character of minerals. There is hardly a single important term in. the science which is not explained in that collection by the very best specimens that can be obtained, and this with a clearness which the united ability of all the mineralo- gists who ever lived could not possibly attain through written descriptions. This wonderful ladder to learning is to be found under the windows along the left side of the Mineralogical Gallery, looking from the entrance. I should doubt if there is anywhere a more skilfully planned introduction to any science. It is a master- piece of good arrangement. When a fairly good know- ledge of the appearance of the more important minerals has been obtained, the student who wishes to push far into the subject, will find several diverging roads which will enable him to do so. There is the road of chemistry, by which he will ascertain the composition of his specimens; there is the investigation of the phenomena connected with the transmission of light through transparent minerals, and the use of the instruments, gradually increasing in number, by which a skilled operator can, in a few moments, readily dis- tinguish between precious stones, whose likeness to each other sometimes baffles the keenest and most practised sight. Only a limited number of those who are introduced by this book to the subject of Mineralogy, will enter the INTRODUCTION. XV11. exceedingly difficult path of Crystallography, but, even without doing this, the student may advance far enough to learn much that will give him the greatest possible pleasure, and not unfrequently, if he chances to travel in little known countries, enable him to find a road to fortune for himself or others. I observe that nothing is said in this paper about the help that may be given to beginners by collections which are to be had at a very moderate price ; but they are, undoubt- edly, useful, for one of the greatest difficulties, at the threshold of the study of any of the sciences of obser- vation, is the multiplicity of objects upon which the eye falls. All young botanists know that, even if they have the very best books and access to a herbarium, it is a great advantage to have some friend who can tell them, in the fields, the names of a hundred or so of the commonest plants in their neighbourhood. It is just the same with the study of minerals, and a fragment, however small, of quartz, or granite, or schorl, tells much more to an ignorant eye than does a herbarium specimen almost as much, indeed, as a human guide. It is probable that only a small percentage of the young people who read this book will ever take to any branch of science as the principal interest of their lives ; but, although it is necessary for the progress of the world that the number of those who devote them- selves to adding to the stores of Bcience should be greatly multiplied, that must always be the work of the comparatively few. It is, however, hardly less important that the broad undisputed conclusions of science should, in each generation, become part and parcel of the minds of all persons who have a claim to be called educated. It is infinitely desirable that society should be full of men and women who know something of the methods by which truth is won, and xv iii. INTRODUCTION. whose own intellects have been trained to work accord- ing to those methods. It is hardly less desirable that the conversation of cultivated people should be en- riched by its becoming as much saturated with obser- vation as it is often now saturated with books. The whole tendency of school education has been, and, I am afraid, to a great extent still is, to divide all life be- tween a very narrow circle of not very informing studies and boyish games. As long as games are merely games, they are all well enough ; but the tendency of the day is to make them pursuits. Forty years ago they ceased with adolescence ; now grave and learned persons, at Oxford and elsewhere, are not ashamed to give every encouragement to young men to fool away their time in such things. Meanwhile the observing faculties, those which are the first to develope, become hopelessly atrophied. It is far from unlikely, however, that, good coming out of evil, a considerable impulse may be given to the training of the observing faculties by the heavy loss which has been of late sustained by the landed interest. Many squires will doubtless sell their estates, and embrace other modes of life; but the majority will remain on their ancestral acres, take per- force to cultivating their own land, and to less expen- sive forms of amusement than those to which their fathers were accustomed. The more intelligent of them will gradually find out that there is a vast deal of pleasure to be got out of a country life without the organization of massacre, and be able to say what the late M. Van de Weyer did to an over-zealous host, who after providing for a good deal of that kind of thing' turned to him with the enquiry : ' And now, what can I do for you ? ' ' Oh ! thank you very much/ was the old diplomatist's reply, 'I don't want to kill anything not even time.' The spread of democratic feeling, the INTRODUCTION. xix. diminution of the direct political power of the land- lord, and a variety of other changes which are going on in the rural life of England, are all likely to act more or less in the same way. Literature has, probably, a great deal to gain from a quickening of interest in the material world. Every- one must be conscious of the curious effort in much modern writing to supply the absence of fresh facts and ideas, by saying old things in a new and much more difficult way. For a moment the strange contor- tions of the writer attract our attention ; but it is presently found that his performance is a mere acro- batic feat, proving nothing more than the presence of a certain cleverness. The mind of the reader is neither enriched nor soothed. There is but one remedy, and that is greatly to increase the number of facts with which literature deals ; but, however skilfully these facts and thoughts may be presented, the mind of the public must be educated to take them in, if those who present them are to produce any immediate effect. The next age will, I think, be of the opinion that ours has piled up a vast amount of material, alike in poetry and in prose fiction, which has little message for it, and will, I trust, take to working up, for itself and pos- terity, according to the old rules of literary form, a great many thoughts which were wholly unknown to the generation before our own, and have not produced much effect upon those of our contemporaries who are sufficiently skilled in the manipulation of language to say new things effectively, if they had any new things to say. Literature will, in her turn, repay with interest all she gains from a larger commerce with Nature. How much, for example, has the singer of Thyrsis, and the Scholar-Gipsy the most botanical of all XX. INTRODUCTION. -our English poets done for not a few of our most familiar plants ? The Colchicum Autumnale of the Alpine pastures (even although he put it in a wrong order, and called it a Crocus) has obtained a patent of nobility from him, as has the Fritillary of the Oxford meadows, and he has heightened the charms of the Bluebell, the spotted Orchis, the White Anemone, the field Convolvulus, and I know not how many more of our oldest favourites. M. E. GRANT-DUFF. BY J. ARTHUR THOMSON, AUTHOR OF "THE STUDY OF ANIMAL LIFI:," .oolagg. A CENTURY hence, or less, advice as to the best ways of beginning the study of Zoology will, I believe, appear strangely old- fashioned. For the extension of Kinder-Garten and other rational methods of education leads one to hope that in the future the child will pass naturally and almost unconsciously through the portals of the different sciences, and that in- quisitive interest in life and things will be allowed to spread in broadening circles, and not restricted to lines or segments. Then for a teacher to say " Let me tell you how to begin the study of natural history " will seem as quaint as it now does to hear a schoolgirl say that she has " finished her education." But it is not so yet, and that is excuse enough for the following suggestions, of which the most important is this : that one should begin with whatever naturally attracts one, for the letter of logical method is apt to kill the spirit of organic interest which alone gives life to learning. One mind is attracted by the flight of a bird, another by its bleached bones on the heath, a third by the tadpoles in the pond, a 4 HANDBOOK OF NATURAL HISTORY. fourth by the fossils in the quarry. It is all the same. To each his own way is best ; along any meridian he can go round the world. But of course he must make sure that he is going round the world, and not merely going round in a small circle like a traveller in the mist. Hence the use of charts and compass such as this book supplies.* I. STUDY OF THE SEASONS. Could I begin again as a little child, I should do what every child in natural surroundings tends to do watch the ebb and flow of the seasons. I should begin on the first of April, though it may not seem auspicious, and watch the life of the opening month the opening of the musical season among the birds, the opening of the prison doors within which so many forms of life have lain in bonds throughout the winter, the opening of the eggs within the nest, the opening of the hearts of many different creatures in joy and love. And in this Nature's Easter would the child share, for Whitman was picturing the normal when he wrote: "There was a child, who went forth * In a little boot, The Study of Animal Life, I have said my say, for the meantime, as to the ways in which wo may study animal life' and as I have there given references to some of the " Best Books " I have refrained in this article, which it has been a real pleasure to write, from over-burdening the text with catalogues. ZOOLOGY. 5 every day, and everything that child saw became part of him for a day, or part of a day, for years, or for stretching cycles of years." As spring grows into summer, the child will watch the growing lambs, and chickens, and ducklings, until they lose interest for him in assuming the respectable stolidity of domes- ticated life. The tadpoles are more inte- resting, and the quaint young gnats. There are new arrivals of birds from the South, and those who have hungry nestlings to feed are busy all the day. With the brightening flowers too there appear the winged insects the birds of the backboneless kingdom. But I cannot even hint at all there is to see in the great drama from the pageant of sum- mer to the rest and silence of winter, from the southward flight of the birds in autumn, to their return again in spring, a succession of events all beautiful in their time. The child will not wish for books, but his parents will, and the following may be mentioned as likely to be use- ful Gilbert White's evergreen Natural History of Selborne; Charles Roberts' Naturalist's Diary; J. G. and Th. Wood's Meld Naturalist's Handbook; Grant Allen's Colin Clout's Calendar; Richard Jefferies' Gamekeeper at Home, etc. There is also a welcome promise of a series of 6 HANDBOOK OF NATURAL HISTORY. twelve little books on The Country Month by Month,edited by Prof. Boulger and by Mrs. J. A. Owen, who has made us acquainted with the "Son of the Marshes." II. COMMON OBJECTS. Through laziness, disuse, over-pressure, and for other reasons our senses become blunted to what is common. It requires an elephant to wake us up to the fact of animal life, though an ant is just as in- teresting and marvellous. We have been " educated " to ignore the commonplace, and we have to work back painfully from the sea- serpent to the earthworm. But to the child, as to the wise, everything is equally wonderful. This is the child's natural attitude, but it is soon lost, when we tell him that " that's only a leaf," and that " this is nothing but a shell," as we infect him with our own carelessness. Rather, as "Walt Whitman says, should we feel, "I believe that everything is perfect, the grain of sand and the egg of the wren." Some books may help us to realise the inter- est of the commonplace, such as J. G. Wood's Common Objects of the Sea-shore, 1857, and Common Objects of the Country ; the somewhat unequal Young Collector's Series, by various authors; Charles Kingsley's Glaucus ; P. H. Gosse's Romance of Natural History and Teriby ; ZOOLOGY. 7 and, as a pattern, Darwin's book on Earth- worms. III. THE WEB or LIFE. As children, we had, if I remember aright, a casual reflective wonder at the aspect of things suggested by The House that Jack built; as naturalists we are ever repeating the same rhyme, with altered words. Such is Darwin's " cats and clover" story. It is a view of life worth striving after, which the phrase, " web of life," suggests. We are familiar with the idea that the parts of our body are knit together in co-operation, and also related competitively; if one member suffer, others suffer with it. We speak of this fact as the correlation of organs. But we must also make real to ourselves the fact of the correlation of organisms. Gilbert White realised it, and the poets have, as usual, been ahead of the men of science in seeing that all things are inter-related. Not a sparrow falls to the ground without sending a throb through a wide circle. Of all naturalists, Darwin has realised most perfectly this conception of a "web of life," and from his works, e.g. The Origin of Species, we may seek help in finding illustrations. But if this suggested reading be too hard, may I refer you to the chapters on the "web of life," 8 HANDBOOK OF NATURAL HISTORY. in Prof. Geddes' Modern Botany, and my Study of Animal Life, both in Murray's University Extension Series. IV. THE WORLD'S FAUNA. One of the most fascinating introductions to the study of Zoo- logy is that supplied by the works of the travelling naturalists. To read them is a delight, and, if we can combine their pictures of life, we gain an intellectual treasure worth having. Fancy a Zoo with all the animals in their natural setting and without iron bars ; or the National Museum arranged geographically and vitalised. It is obvious that those who have the opportunity of knowing these two institutions can make the pictures of the naturalist travellers very real indeed. But even without these advantages it is possible scratch the cat and you get a tiger and even we provincials have Wombwell and Bostock's menagerie ! Among the classic works of the traveller- naturalists are : Humbolt's Personal Narrative of Travels in Equatorial America, Darwin's Voyage of the Beagle, Bates' Naturalist on the Amazons, Belt's Naturalist in Nicaragua, "Wal- lace's Malay Archipelago, Tropical Nature, &c., Wyville Thomson's Depths of the Sea, Narrative of the Voyage of the Challenger, and Moseley's ZOOLOGY. 9 Naturalist on the Challenger. I can think of no pleasanter introduction to Zoology than "W. H. Hudson's Naturalist in La Plata ; if that book awakens no interest in the science, it were better perhaps for the reader to submit to the inevitable. One of the best books of this kind is Brehm's Vom Nordpol zum Equator, which will shortly appear (1894) in translation. I hope in editing this translation to be able to insert references to the most important works of the naturalist travellers, for of all the differ- ent ways of approaching the study of Zoology, this is perhaps the most human and interesting. For the more precisely scientific discussion of the geographical distribution of animals, Heil- prin's excellent volume in the International Scientific Series, and Wallace's Island Life, are strongly to be recommended. V. THE EVERYDAY LIFK OF ANIMALS. For animals, as for ourselves, life is a continuous endeavour after well-being, partly selfish, partly altruistic, in great part both. One aspect of this endeavour after well-being is the struggle for existence, the other is the expression of love and kinship. On the one hand, we are told that " contention is the vital force," but there is co-operation as well as competition, mutual aid as well as rivalry. The world is 10 HANDBOOK OF NATURAL HISTORY. the abode of the strong, but it is also the home of the loving. Hunger and love solve problems. You will find it interesting to read the chapters on the struggle for existence in Darwin's Origin of Species or in Wallace's Darwinism, and then, for the other side, such books as Espinas' Les Societes Animates and Girod's Les Societes cliez les Animaux. Or to lighten the reading to two articles, contrast Huxley on The Struggle for Existence (" Nine- teenth Century," 1888) with that of Kropotkin a year later in the same journal on Mutual Aid among Animals. Then, with the two aspects clearly before you, or better still, without any preconceptions at all, will you not use what opportunities you have of observing the ways of living creatures, and that not listlessly, but with the definite object of knowing how the heart of nature beats 1 If you need books to help you, may I recom- mend such as Gilbert White's Natural History of Selborne; Richard Jefferies' Gamekeeper at Home, Wild Life in a Southern County, The Open Air, Nature near London, etc. ; John Burroughs' Birds and Poets, Locusts and Wild Honey, etc. ; Thoreau's Walden ; Charles Kingsley's Water Babies; Hamerton's Chap- ZOOLOGY. 11 ters on Animals ; Lloyd Morgan's Animal Sketches ; Knight's Idylls of the Field and By Leafy Ways ; Butler's Insects of the House- hold ; and Hudson's Birds of a Parish ; Charles St. John's Wild Sports and Natural History of the Highlands; Houssay's Industries of Animals; J. Gr. Wood's Homes without Hands ; Fre- dericq's La Lutte pour ^existence cliez les Animaux Marins ; and one or two of the works of "A Son of the Marshes," edited by Mrs. J. A. Owen. Among large books of reference not too technical to be mentioned here, three may be mentioned Cassell's Natural History (6 vols.) ; The Standard, or Riverside Natural History (6 vols.); Brehm's Thierleben (10 vols.) The Royal Natural History, just begun under Mr. Lydekker's editorship, promises to be a splendid work. VI. -THE STUDY OF STRUCTURE. It is no doubt pleas ^nter to watch the flight of a bird, than to dissect its muscles, but in due season there must be an analysis of structure. Nor need one kill much in order to see ; the Zoologist must do so, but for others nature herself affords sufficient opportunities of studying the dead. There is work for a week on the sea-shore after a storm. One naturally begins with the outside, 12 HANDBOOK OF NATURAL HISTORY. relating the features of the animal the boat- like build of a duck, the wedge-shape of a fish to the conditions of its life. But one must take the engine to pieces, to see the boilers and the pistons, and the wheels within wheels. The mere unravelling of the structure say of a snail becomes as an exercise of dexterity, a pleasure, apart from the intellectual satisfaction of the analysis. Even the dry bones acquire a living interest, as we follow, for instance, the various transformations of the fore-limb in fish and frog, bird and bat, whale and horse. And as we begin to have a distinct picture and un- derstanding of the larger parts, we naturally penetrate more deeply, using the microscope to discover the various strands or tissues, the minute units or cells, and the living matter itself. I know of no better general introduction than Miss Arabella Buckley's Life and her Children and Winners in Life's Race. For comparative work an excellent guide is Prof. Jeffrey Bell's Comparative Anatomy and Physi- ology, and there are numerous good practical books which will help the student if he do not make crutches of them. There is much to be said in favour of the method which leads the student to work patiently at one animal until he can see it ZOOLOGY. 13 through and through, until he has " a trans- parent mind-model " of its structure. The most successful book on this method is Prof. Huxley's Crayfish, but there are many others, such as the late Prof. Milnes Marshall's Frog, Cheshire's See, Miall and Denny's Cockroach, which deal with types pleasant enough to handle. Sir W. H. Flower's Horse, Prof. St. George Mivart's Cat, and the like are perhaps more pleasant to read than to verify. VII. THE ACTIVITIES OF THE ANIMAL BODY. But it is not enough to take the engine to pieces, we must know how it works, and this is more difficult. We should begin, of course, with observing the animal's life and habits, studying it as an intact unity before we proceed with our analysis. Sooner or later, however, if we are to understand these habits, we must pierce beneath the surface to the inner life of the body. We may begin for instance by watching the flight of birds, an appropriate subject, if the student of science be the modern augur. We distinguish gliding, sailing, and ordinary flight, the soaring of the lark, and the hovering of the kestrel ; we try to catch the forward, downward, backward, upward sweep of the wings on slowly flying birds ; we seek help with our problem 14 HANDBOOK OF NATURAL HISTORY. from such books as Marey's Vol des Oiseauv. Having made sure of what we know and do not know, we may work in two directions up- wards, into " higher physiology," till we face such problems as that of migration, or down- wards, into individual physiology till we are baffled by such problems as the contraction of muscle (see Prof. McKendrick's Life in Motion). This study of individual physiology leads us to recognise that there are two master-activities in the body those of muscular and of nervous parts. The movements are immediately due tc the contractions of muscles, but these are ruled by nervous processes in which the bird becomes aware of outside things and regulates its con- duct in relation thereto. But the activities of muscle and nerve imply loss of energy and fatigue, and this leads us to consider how the food is made soluble and diffusible, how it is swept to the hungry tissues by the blood, how oxygen also is carried by the blood to keep the fire of life burning, how carbonic acid gas and other waste products the ashes of the vital combustion are swept away, and so on. In such study there is no better guide than Hux- ley's Elementary Lessons in Physiology. Gradually we must pass from considering the bird as an intact unity like one of ourselves to ZOOLOGY. 15 see it as a marvellous living engine, with many parts or organs, as a great web of tissues, as a vast city of cells competing and co-operating, and finally as an ensouled whirlpool of living matter, which, though ever changing as streams of matter and energy pass in and out, yet retains its integrity till death comes. I say "ensouled," for after our deepest analy- sis we have to remember that the animal acts as a unity, that it is a creature with more or less clear consciousness, with some sort of " will," with varying degrees of intelligence and instinct. This is, perhaps, at once the most difficult and the most interesting side of zoo- logy, that of thinking ourselves into the mental or psychical life of animals. Here one needs all the help that one can get and more besides. Lloyd Morgan's Animal Life and Intelligence, and his work on Com- parative Psychology in the Contemporary Science Series, may be placed in the first rank along with Romanes' Animal Intelligence and Mental Evolution in Animals. VIII. THE HISTOKY OF ANIMAL LIFE. There are three ways in which we can study the history of animal life, (a) from the tombs (for the fossil-containing rocks are indeed, 'the strange graveyards of the buried past'), (6) 10 HANDBOOK OF NATURAL HISTORY. from the cradle (for, in some measure, every creature has " to climb up its own genealogical tree "), and (c) from the structure and habits of adult animals, for it is strangely true that the past lives in the present. As Mr. Bather has written an introduction to the study of fossils, I refer you to his chapter. I should be inclined to begin with such books as Hutchinson's Extinct Monsters, which is vivid alike in words and pictures, or Lydekker's Phases of Animal Life, or Dawson's Story of the Earth and Man (though it is a little out of date). Carus Sterne's (Ernst Krause's) Werden und Vergehen is a well-told story of the gradual " Becoming and Disappear- ing" of the races of animals, and Gaudry's Les Ancetres de nos Animaux is another pleasant introduction to larger works. There is a lack of a simple introduction to the study of the life-histories of animals, but it is easy enough to make one for oneself. We can watch the development of the gnats and pond-snails, of the silk-moth and the frog, seeking help from such books as Lubbock's Origin and Transformation of Insects, St. George Mivart's Frog, and the relevant parts of larger books, some of which are noted in my Study of Animal Life. ZOOLOGY. 17 As you come to know more about the structure and habits of animals you will see how impossible it is to understand the present without the past. As with our own institutions and customs, language and clothes, "everything is an antiquity." The teeth of young whale- bone whales, the little gill-clefts on the sides of the neck in the embryos of reptile, bird, and mammal and the like, are only intelligible as vestiges of a distant past. Like the unsounded letters in such words as ' leopard f and ' alms,' they give us hints of history. Our own body is a museum of relics. IX. THE STUDY or CAUSES. Sooner or later we find that none of the schools yet mentioned of the anatomists, physiologists, or embryo- logists can satisfy us. Analysis is not enough, we would know how things have come to be as they are. A merely descriptive history of animal life leaves us unsatisfied we seek a philosophy of history. No one would dream of forcing such an en- quiry on a young mind, for, though the germs of theorising are, like those of 'wisdom teeth,' of very early origin, they are usually long of sprouting. And it is perhaps well, for the en- quiry once begun is never ended. Even Darwin telling of a holiday, speaks longingly of the 18 HANDBOOK OF NATURAL HISTORY. child's mood, in which one watches and enjoys the growth of flowers and the flight of birds without vexing oneself with questionings as to how things became thus or thus. At the same time, I think that Professor Geddes is surely right (see his article on the Study of Flowers) in insisting that the student who leaves the door of Darwin's school un- knocked at, because he is constrained by precept or example first to pass through the hard discipline of the analytic schools, is doing needless penance. It is the old mistake of an education which advances along segments instead of spreading in circles. With not one of the disciplines can we safely dispense, but it is in Darwin's school that we get the inspir- ation and the enlightening which makes the drudgery of analysis a discipline, which makes all the difference between "Necrology," and Biology. Moreover, the education of the citizen is one thing, and that of the zoologist another. No one now believes that animal life has always been as we see it to-day. Before the fauna of the geological present there was a simpler fauna of the geological yesterday, and before that a simpler fauna still, and so on, back to the mist of life's beginning. We have extended our conception of human history to ZOOLOGY. 19 the organic world, and believe that the present is in all things the child of the past and the parent of the future. This is " the doctrine of descent," the general idea of evolution. The evidences in support of this doctrine have been often stated ; see, for instance, Dar- wins Origin of Species, and Wallace's Darwinism, or, for simpler statement, Clodd's Story of Creation, and Grant Allen's Charles Darwin. But we wish to know more. We may be convinced that the present fauna has arisen from simpler types, and that the potentiality of all lay originally in very simple units of living matter. The belief fills us with wonder, bub with no mistrust, for we think no less of the oak tree or of the eagle though we know that the life of each began in a minute and ap- parently simple egg-cell. If we believe with Aristotle and the philosophers that there is nothing in the end which was not also in the beginning, we cannot think meanly of any of our ancestors. The eagle might as well despise the egg. But how has this progress been effected ? How do changes arise ; how are some buds on the tree of life pruned off and others let to blossom ? These, as you know, are the ques- tions which are so eagerly debated in Darwin's 20 HANDBOOK OF NATURAL HISTORY". school, at times so keenly that the inquirer is apt to turn away disappointed with the hot conflict of opinions and the lack of certainty. The theory of evolution is still being evolved, new variations are ever cropping up, and there is the same process of elimination at work in the school as in the course of Nature itself. Such books as Wallace's Da/rwinism, Romanes' Darwin and after Darwin, and Weismann's Germ-Plasm will introduce the student to the present aspect of the theory of evolution, while the monthly journal, Natural Science, will help him to keep in touch with the progress of discussion. In rny Study of Animal Life I have tried to present a balance-sheet of opinion, and have given references to some of the most important books on evolution. One simple idea I may be allowed to state in conclusion. In Water Babies the first book about Natural History which a child should read Charles Kingsley tells how the boy called Tom got very close to Mother Carey or Dame Nature, of whom he had many questions to ask. He expected to find her very busy making this and mending that, but he found an old lady sitting with her hands folded. When Tom wondered much at this, the Mother said, "You see I make things make themselves." BY W. WARDE FOWLER, M.A., AUTHOR OF "A YEAR WITH THE BIRDS." "pITOW am I to begin to learn to know the birds?" This is a question often asked, and not easily answered. Many boys and girls answer it for themselves, by a kind of instinct. All that I can do here is to give a few hints for setting to work in a sensible way, so that the beginner shall not only learn to identify different species, but also learn how to study their habits, their movements, their lan- guage, their changes of plumage, and their nests and eggs. It is the study of these habits that makes ornithology so delightful a pursuit ; it can be carried on at all times of the year, and wherever we happen to be, and there is so much still to learn, that no one need ever despair of finding out something about birds that has never been really discovered before. If you only make a good beginning, you will soon be drawn on, and insensibly learn more and more ; and you will find that as long as you live you will never exhaust the subject, even if you are confined to one neighbourhood only. 24 HANDBOOK OF NATURAL HISTOilY. There are three things that you should have to start with : First, a good pair of eyes, or failing these, a light field-glass; secondly, a note-book, or roomy diary ; thirdly, a good handbook of British birds. It is much better to start at once with a really good book, even if it has no coloured illustrations, for pictures are very often misleading, and, as a rule, only give you the male bird in full summer dress, so that after all you are left in the dark as to the females and the young. By far the best hand- book is Mr. Howard Saunders' " Manual of British Birds ; " or, if that be too expensive, I wouli strongly recommend an old but excellent book, " British Birds in their Haunts," by the Rev. C. A. Johns. I will also mention Colonel Irby's " Key List of British Birds," which only costs half-a-cro\vn, and Mr. Harting's f< Our Summer Migrants," which can be had quite cheap. Of larger works, if they happen to be within your reach, the best are the last edition of Yarrell, and Mr. Seebohm's "British Birds." Provided with these three things, let us sup- pose that you are setting to work in the begin- ning of the year. At that time, if you live in the country, there will probably be birds coming to the window for crumbs ; and if the weather is hard, there will be one or two Thrushes and BIRDS. 25 Blackbirds among the greedy Sparrows. You will probably know these birds already, and will not need to identify them ; but look at them carefully, and compare them closely. They belong to the same group of birds, but are very different in colour. What have they in com- mon, that they should be classed together ? This is a question that you should set yourself to answer ; and another is, What near relations have they in England ? In January you will have all the common species of this great family close around you in the country Blackbird, Song-thrush, Missel-thrush, Fieldfare, and Red- wing ; all these you must make quite clear about, and, in order to fix what you learn in your memory, you should set apart a page of your note-book for each, and put down there all that you learn about them from your own obser- vation. Notice what they eat, how they fly, what sounds they make, and, as far as you can, try to discover what these sounds mean. As the spring comes on, the Fieldfares and Red- wings will begin to disappear, and you must record the dates of their disappearance, taking great care that you are not deceived about it. Before these depart, learn something from your books about the journey they are starting on, and the countries they are going to, and also 26 HANDBOOK OF NATURAL HISTORY. about their nests and eggs, even though you may never have a chance of finding them. Now, too, the other three species will have begun to sing, to build nests, to lay eggs, and to bring up young ; and here again will be plenty of use for your eyes and ears, as well as your note-book. You must listen to the songs carefully, even if you think you know them quite well ; and when the nests are built, you can observe their position, the materials out of which they are made, the colour and size of the eggs, and the appearance of the young birds. Later on again, if you live in a favourable place, you may make some acquaintance with one more member of this family, the Ring-ouzel. I do not mean, of course, that you should all this time be keeping to one group of birds, and to that only. What I do mean is that it is better to get to know what you can of one group, or of two, or possibly three groups, while you are about it, because in that way you will learn better how to fix the characteristics of different birds in your memory ; and when you know one or two groups well you will be able to go on to others more difficult ones, perhaps with a surer footing. You might, for example, take in the winter the Thrushes and the Titmice (Turdidcs and Paridw), and in the BIRDS. 27 spring the Swallow kind (Hirundinidce) and the Warblers (Sylviince); but when you come to these last you will find them very hard to learn, and you will feel the benefit of having had some previous experience in trying to make out the birds of other and simpler groups. And, in fact, do what you will, you will get puzzled often enough, and of course you will make many blunders. But puzzles are pleasant employment, and mistakes will do no harm if they do but lead you steadily to more accurate habits. In May and June the number of our birds is so great, that you cannot expect to find out what they all are in a single season, much less to learn anything really about their ways. From the middle of March to the middle of May many different kinds of birds will be arriving in England from the South ; and some of these you must try to learn to know, in order to be able to record the dates of their arrival in future years. I may give you one or two bits of advice that may be useful in this con- fusing time ; they are based on my own experience during the many years in which I was trying, often without success, to identify the many birds I met with, most of which I now know to be quite common ones. First : Get help from anyone who ' knows 28 HANDBOOK OF NATURAL HISTORY. the birds better than you do yourself, but do not rely on such help too much, nor on the books you may have. Trust to yourself to puzzle things out with patience and perse- verance ; work slowly but surely. Secondly : Stick to one bird until you have made quite sure of him. If the leaves are out on the trees you may have to wait a long time, or even some days, before you can get a really good look at him ; but, meanwhile, you must mark his song carefully, and when at last he lets you see him, even if you cannot yet be sure of his name, you will by that time know a good deal about the bird. You will come by his name in time, and I must tell you that the bird himself is more important than his name. Thirdly : When you have succeeded in identifying a new bird, always find out from your book what other birds belong to the same group, so that you may look out for them and recognize them more easily when the chance comes. For example, when you have made sure of a Wagtail, read about the other species of Wagtails, and learn something of their haunts and habits. Fourthly : When you find a nest without seeing the bird to which it belongs, do not touch it, but wait and watch. When you have BIRDS. 29 seen the bird, if you collect eggs, you will be justified in taking an egg, but not before. This will not only keep you from treating nests carelessly, but will help you to acquire a habit of observation. And, lastly I may add that although, as I said, a bird is more important than his name, you will in due time find it both convenient and necessary to know not only the English names of the birds you find, but also their Latin or scientific names. There is, unluckily, still much confusion and variation in these names ; but if you write at the top of every page of your note- book which is set apart for a bird the Latin name given in any one of the books I mentioned, you will find your trouble will be repaid. The first Latin name of any bird will help you to remember the group to which it belongs, and the second will suggest a particular species in that group. But in this matter of names, and in many others, too, you will soon learn how to learn, if you can once make a good beginning. belle. BY E. B. SYKES, B.A., F.Z.S. IV/TANY persons are hindered from the pursuit of Natural History by the difficulty they feel in discovering where to search for the objects they desire, and how, intelligently, they may set about the study of them when found. It is with a view of rendering some assistance in conquering these difficulties, so far as they relate to the study of shells, or, to speak more scientifically and accurately, the mollusca, that this chapter is written. The shell of the animal is but the bare skeleton, and bears in many respects the same relation to the animal as the human skeleton does to the man. Thus it is of greater importance that we should be acquainted with the animal which forms the shell, rather than only with this skeleton. Whole families, indeed, of the mollusca possess no shell at all ; a very familiar instance of this we may notice in some kinds of slugs. The sea-slugs (Nudibranchiata) possess a very small shell, of the shape of a snail-shell, when they make their first entrance from the egg into the world, but as they grow they cast this off, and 34 HANDBOOK OF NATURAL HISTORY. when mature no sign of its ever having existed can be discovered. One great and important feature by which the mollusca (except the bivalves, such as the mussels) may be generally distinguished is in their possession of what is technically called a radula\ this is a long strap-like organ, furnished with many parallel rows of teeth, sometimes numbering several thousand teeth in a single specimen, and it has furnished much assistance in the subdivision of the families. I shall first give a few suggestions as to where to look for land, freshwater, and marine mollusca, and shall then call attention to one or two of the more striking species found in Britain. Land Shells, it must be remembered, are in general fond of moist situations, and like shady places where they can retire from the hot sun ; many species also hibernate in winter, and may be then found in large clusters, sometimes fifty or sixty together, under stones. Search your garden, and then go out and search in the hedgerows ; examine carefully the weeds, and especially the nettles, of which they are very fond. Never pass a stone of any size lying in the grass without turning it over, unless it is very tightly embedded, and the same may SHELLS. 35 be said of branches of trees, old logs, etc. Snails are also fond of getting under the bark and into the ends of old tree-trunks, and in the spring and autumn some species (especially the Clausiliae, of which more anon) like climbing trees, and may be seen several feet up clinging to the bark. Some of the smaller species are found under old and fallen leaves, and anyone who will be troubled to take a bag- ful of these home and dry them, often, after shaking them, reaps a rich harvest. Remember that a chalky soil is the best of all for finding land-shells ; they do not like pine woods. Almost any time of year will do to search in, except when there is a frost, and in the summer, when the ground is very dry, little may be found, though a shower will bring them out in such multitudes that country people often think they have fallen from the skies. Freshwater Shells are to be found in every pond, stream, and river in the country. They may even be found in the mud at the bottom of a horse- trough. Lift out gently some of the growing weed on to the bank and turn it over ; there, adhering to it, you will see the shells. Get .jj^small dredge on the end of a stick, like a dwarfed butterfly-net, and scoop out some of the mud from the bottom ; let the mud filter 36 HANDBOOK OF NATURAL HISTORY. away, and you will find, mollusca; bivalve and univalve, amongst the twigs, stones, etc. Do not, plunge the dredger deeply into the mud, but drag it over the surface, 90 that it is only buried from a quarter to. half an inch. ^ For Sea. Shells, which are' more attractive to most people than others, from their greater beauty of colouring, every portion of the shore, from the tide-marks down to" the greatest depth you can attain, should be searched. Always, when collecting on the ' shore, go as low down towards the tide as you can ; low water is, of course, the best time. Turn over; the "stones and examine them carefully, also search all growing weed. Some species live in the hollows of the rock, and are provided with the means of excavating holes for .themselves. Even at the present day> naturalists are not entirely agreed how this is done', some suggesting that it is by a rotatory scraping of the- shell, others by the secretion of an acid, and others by the rubbing of the foot of the animal. The writer is a believer in the latter theory. It may be found useful, when collecting small species, to take a handful of weeds home and wash it in water. If it is desired to kill the specimens, fresh water will cause them to drop off instantly. The shells along the tide-mark, though dead > SHELLS. i 37 should be gathered. The way above all others of obtaining marine mollusca, however, is by the dredge, worked from a rowing or sailing boat. Remember always to work with and not against the tide. The extraordinary fascination of this work cannot be realised by anyone who has not tried it. Down goes the dredge, attached to a rope from two to three times as long as the depth of water, and you wait and drift. At last it comes up slowly through the water, and all eyes watch it on its way ; the contents are turned out into the bottom of the boat and down you stop. -it may be that very little will reward you, it jay be that you will see such an assemblage of marine, life as never falls to those.. who stay on shore. A special ' Naturalist's Dredge \ i made by Hearder and Son, Union Street, Plymouth:; the mesh of all these nets is, however,. rather wide for -the very minute species,, and.it is .advisable to line the last six or. eight inches. of the bag with ' cheese bag,' or some such fine -material. Do not get too wide a mouthed dredge, or it will be too cumbersome for a small boat ; about eighteen inches is wide enough. Some species live buried in the sand, and these should be sought for at low tide ; a common spoon is often enough, but a few will require a spade to obtain them.- 38 HANDBOOK OF NATURAL HISTORY, There is, indeed, hardly a spot on this globe that will not yield something to the observant naturalist. Remember, however, that a trained and practised eye will discover much where a beginner will find but little, and be not discouraged if, after a day's hard work, you have not a very large result to show. Patience and perseverance must be your motto, in shell- collecting as in nearly everything else. The bare collecting, however, should not be the end of your aspirations ; you should endeavour to arrive not only at the possession of the shell, but also at a knowledge of the animal which forms it. Try and keep them alive ; watch their habits and trace their history from the embryo and egg-stage until full grown. Land shells should be kept under a bell-glass, or in some such form of vivarium, and provided with a box of earth, which should be kept damp ; nearly all of them feed very readily on lettuce, and the English carnivorous ones are small and unimportant. Freshwater shells will live with any other freshwater animals, and, if the water is properly aerated, will remain healthy for years. Most marine mollusca can be kept alive in an aquarium ; some, however, such as the whelk, are highly carnivorous, and, as they will do a great deal of damage in a SHELLS. 39 short time, should be kept separate. The marine rnollusca are by far the most difficult to keep alive, but, on the other hand, they repay keeping better on account of their greater diversity of structure. Much information is wanted as to the habits of shells. How is it that a newly dug pond becomes, in a very short time, peopled with an abundance of molluscan life ? Where do they come from ? How do they get there ? Birds and beetles have been captured with snails attached to their feet and legs, and this ex- planation is the more generally accepted at present to account for their sudden appearance. Whirlwinds, too, have been seen to suddenly rain down shells in company with other animals. Why should one species prefer sandy downs by the sea-shore, while another loves chalky hills ? What, again, is the instinct which leads some species, when dredged from abysmal deaths of the sea, to crawl to the surface of the water when captured and placed in a jar ? Such a habit can never have been formed where they lived. These are only samples of the many questions still awaiting solution, and towards which everyone can lend a helping hand. It must be remembered that, though here attention is given to recent shells only, the 40 HANDBOOK OF NATURAL HISTORY. fossil mollusca must be studied as well. The recent are only the final fauna. left us, while the fossil represent the multitudes which have lived and died during the numberless ages in the earth's history. The cuttle-fishes (Cephalopoda), though to the uninitiated they would hardly appear to be shells, are yet true mollusca. Some select a hollow under a big stone, and there they He, stretching out their arms, provided with suckers, to drag in any stray piece of food which may come within reach. Nothing is too small for them, and their lurking places may be known by the large piles of empty shells whose inhabitants they have devoured. They are especially abundant at Herm, in the Channel Islands ; and many a collector has to thank the Octopus for some of his finest specimens. To this order belong the well-known Pearly Nautilus, the fossil Ammonites, and others. The gorgeously coloured sea-slugs (Nudi- branchiata) derive their name from their breathing apparatus being placed externally on their backs. A few may be found on the sea- shore, but most of them are only procurable by dredging. Ordinary collectors have paid much less attention to them than they deserve, owing to the fact that they lose a great portion of their colour and beauty in spirits. There is a . SHELLS. 41 small but beautiful set of glass models of them iu the Natural History Museum. A very curious order of marine mollusca is that of the Chitons (Polyplacophora) ; the shell of -these curious beings is formed of eight overlapping plates. They may be found under stones on the sea-shore, and were for a long time classed with the limpets, owing to their breathing apparatus being arranged in a some- what similar manner. If jou take one and separate these shell-plates, you will see that they are notched (in most cases) where they enter the animal. It is on the number and arrangement of these notches that the present classification of the group is based. The deep water species are found, in general, to have fewer notches, and smaller portions inserted into the animal, than those which dwell on the shore ; this is supposed to be due to the fact that those on the shore are subject to far greater strains, such as the beating of the surf, etc., and so require more support. At first sight one would hardly believe that most slugs possessed a shell, yet it is ; aud though some of them lack it, and in others it has degenerated into a simple shelly plate, still it is generally there. This shelly plate is so placed under the mantle of the animal as to shield the 42 HANDBOOK OF NATURAL HISTORY. vital organs. It is sometimes only represented by a few chalky granules. Other slugs again (Testa- cello) possess a small shell, which is placed upon the tail, so a regular graduation may be noticed from those which are absolutely without a vestige of shell, up to the ordinary snails of our gardens, whose shell is large enough to entirely cover them. Some univalve mollusca possess a shelly or horny plate (operculum), which is attached to the foot of the animal, and with which he is enabled to close the mouth of his shell against his enemies. A protection of this description is also afforded by the numerous teeth or prominences which encircle the interior surface of the mouth of Pupa and other genera. The operculum has been used to distinguish families, though it is of no service in dis- criminating closely allied species ; it has been thought by some to replace in the univalves the second valve of the bivalves. It is found both in land, freshwater, and marine shells. In most species, where present, it is highly developed, and is of sufficient size to entirely close the mouth of the shell; but a gradual series may be traced in which it degenerates in size, until at last it is so small that one wonders of what service it can be. A structure of a similar nature, in so far as it SHELLS. 43 is a protection to the animal, is the small plate or Clausilium (a little door), which is found in almost all species of Clausilia. The Clausiliae are brownish slender shells, which are found on tree trunks, under logs and stones, and on old walls. The most striking characteristic, at first sight, of those found in this country, is the fact that the twist of the shell is reversed ; that is, if you hold the shell with the mouth facing you it will be on the left-hand side, and not, as is more common, on the right. The peculiarity of the Clausilium lies in the fact that it is not attached to the animal but to the shell, and in this, it will be seen, it differs from an operculum. The animal, when it protrudes its head from the shell, pushes back this plate, and when it retires the plate is drawn back by the horny attachment joining it to the pillar of the shell, and partially, or wholly, closes the aperture. To see this plate, the mouth of the shell should be broken back about half a turn, and then the Clausilium will be seen lying between two of the folds, which, in these species, run back from the mouth sometimes as much as a whole turn or whorl. One of our minute snails (Caecilianella acicula) is noteworthy from being both carni- vorous and a dweller in a subterranean habitat. 44 HANDBOOK OF NATURAL HISTORY. They are very rarely seen above ground in a living state. A curious fact is that they are entirely eyeless, and resemble in this respect a family which inhabit the subterranean caves of Adelsberg, in Carniola. I have Said nothing., of the Lamp-shells (Terebraiula, etc.), since: they have now been found not to be true mollusca, though they are still frequently included in the text books. Though very abundant in a fossil state, they are still uncommon in a living condition. Whole chapters might be written on the anatomy of the inollusca. This should be care- fully studied, and not as is too frequent the shell alone. In this work, a day's practical labour will impart more knowledge than can be learnt from text-books in a year. No really thorough knowledge of the mollusca and their classification, can be arrived at without an acquaintance with the animal ; remember that it is the inhabitant which forms the shell, and not the shell which forms the inhabitant. Avoid oiling or varnishing your shells ; such practices are all very well for ornamental work, but for your collection you need the shells as they lived. Dirt and weed growing on the shell should, of course, be removed. It is often advisable, in delicate and fragile sea-shells, to SHELLS. 45 soak them for a few hours in fresh water, other- wise the salt left on may set up chemical action, and spoil their appearance. The operculum should be carefully preserved, gummed on a bit of cotton- wool, and placed in the mouth of the shell in the position it occupied when the animal was alive. The very small shells are best kept in glass tubes, and the larger ones in cardboard trays. Always label your shells at once with the locality from which they came ; the names can be added afterwards. If labelling is post- poned, confusion will often arise, and some very unsatisfactory guessing will take place. All species should be carefully kept separate, and never allowed to become mixed. Do not be in too great a hurry to get a cabinet ; some shallow travs with match boxes in them will v do very well at first. You need but little preparation to start out collecting ; a few wide- mouthed bottles and pill-boxes will be amply sufficient. The British marine mollusca number about 550, and the land and freshwater about 120 ; a fairly good collection should contain about 80 per cent, of the former, and 90 per cent, of the latter. When you have acquired some familiarity with the British shells, you might find it useful 46 HANDBOOK OF NATURAL HISTORY. to join the Malacological Society of London which devotes its energies solely to the study of mollusca. Any further information regarding this, or other matters not dealt with in the above brief chapter, the writer will be pleased to endeavour to supply. He may be addressed at 13, Doughty Street, London, W.C. The following very short selection of books, contains those which the writer has personally found most serviceable ; there are, of course, numerous others of the same class. BOOKS RECOMMENDED. Wooc, Rev. J. G. " Common Shells of the Sea-shore," price Is. Plain plates and elementary. TAI^, R. "Land and Freshwater Mollusks of Britain," 1866, price 6s. Eleven plates, coloured ; deals also with anatomy. ADAMS, Lionel E. " Manual of British Laud and Freshwater Shells," 1884, price 7s. 6d. JEFFREYS, J. G. "British Conchology," 1862-9. In five volumes, with many plates ; a standard work ; price about 4 4s. SOWERBY, G. B. " Illustrated Index of British Shells," 1892, price 30s. net. Contains coloured figures of all species but no text ; the names are also somewhat out of date. FISCUER, Dr. P. " Manuel de Couchyliologie," price 35 francs. This, though of little use to the beginner, is indis- pensable to the more advanced student. Stilts of jflowere. BY PROFESSOR PATRICK GEDDES, AUTHOR OF "CHAPTERS IN MODERN BOTANY," &c. THLOWERING plants touch human life at many points. They satisfy many of our material wants, they educate and delight our senses, they are rich in symbolic meanings, some of which take us back to the days when all the world was young. But what we have to do with here is that in the study of flowering plants we find at once the easiest and the pleasantest path towards an understanding of what life means. The " flower in the crannied wall " holds the secret of what Grod and man is. Yet all depends on how we study. If we begin with books instead of with the flowers, we shall be repelled and discouraged by the technicalities of traditional pedantry, and we shall forego all the profit not to speak of the pleasure of discovering the facts for ourselves. The devotee of the text-book is often the dullard of the fields. Nor will it serve merely to pull countless flowers to pieces, if we gain no vivid picture of the plant as a living or- ganism a moving, feeling, feeding, breathing, struggling creature if our Biology be really 50 HANDBOOK OF NATURAL HISTORY. only a Necrology. Nor will gathering a huge herbarium serve us, if it be but a carefully interleaved haystack, if it be not the record of our attempts to unravel the complicated pedi- grees of plants and to understand their position in the web of life. Let me suggest certain lines of study which appear to me to be natural, and likely to lead to an understanding a realisation of the nature of flowers. I. THE SEASONS. Every year, in field and garden, wood and hedgerow, nature's drama is played before us all too dull spectators. First let it be ours to enjoy it, to share in the hope- fulness of spring, the gladness of summer, the sober joy of autumn, the repose of winter. That this emotional sympathy with nature is often killed by false methods of scientific education is too true, and has led to that contempt of science which poet and artist often express. But it need not be so. If our acquaintance with nature be allowed to grow naturally, suf- fering no violence, our emotional sympathy must be proportionally deepened. If this is to be so we must watch the drama with active interest, allowing no book of the play to divert our attention from the play itself, forming our opinions from what we see THE STUDY OF FLOWERS. 51 and not from what some commentary tells us, appreciating the general dramatic movement b afore we become involved in the detailed analysis of any one character. Surely nature's drama deserves to be treated as fairly as rationally as any creation of the dramatist. Thus, as it seems to us, the study of Botany is begun at once most naturally and most profitably by a study of the seasonal progress. Let us then begin when the naturalist's year begins in Spring; let us study the seeds awakening from their winter sleep, the seed- lings raising their heads from the moist ground, the ascent of sap in every herb and tree, the unpacking of the buds, the opening of the early flowers. Observe, think, observe again, and when you are thoroughly puzzled, consult your books. This will take a long time, you say; were it not better to take Botany en bloc from a book, and verify afterwards 1 ? The choice is between education and mis -education, between intellectual manliness and book bondage. Will you keep to the dictionary and grammar of the science, or will you " see the tide of life set in with a flood in spring, filling every corner of the earth with sprouting seeds and shooting stems, and crowding, spreading, rippling leaves; how as the russet underwood warms to the 52 HANDBOOK OF NATURAL HISTORY. fuller sun through trees still bare, it glows with bright golden patches of lesser celandine; how its dead leaves silently sink under a rest- less foam-tipped sea of green anemone; how every mossy bank is set with primroses in crowded constellation; and how the deep sum- mer sky shows first in sheets of hyacinth." Soon the summer comes, and with it new scenes, new problems. The full tide of foliage sets in and the colours of the flowers deepen. Whence this colour and what is its meaning ? Are the pigments the waste of the plant's vigorous life, the ashes of these flaming fires which we call flowers ? Are the bright petals flags which attract the bees and other insects to the feasts of honey ? Select some flowers for careful watching, be a child again and fol- low the bee from blossom to blossom, realise the marvellous interactions between the plants and their visitors. Try to think out the every- day life of the plant, how the roots suck up water and salts from the soil, how the leaves absorb air, how the sunlight shines in upon the living matter of the leaf through a screen of green pigment, how light and life in the leaf's laboratory unite their powers to mingle air and water and salts in subtle secret ways so that the dead becomes part and parcel of the living. THE STUDY OF FLOWERS. 53 Already the tide has turned, and the flowers are withering and fading. The third act has begun. The insects and the breezes have filled their role in carrying the fertilising golden dust from flower to flower. In the heart of each, new lives are born. The seeds are being made. Whence came they, how are they nurtured ? The feasts of honey are over, the marriage- robes, of which Ruskin speaks in his beautiful description of the flower (see Fors Clavigera) are laid aside, it is the time of bearing fruit. That many of these are sweet we all know, but have we noticed that the nectaries, by which the surplus sugars a short time ago overflowed, are now closed, and that this helps to account for the sweet sap being drafted to swell the succulent fruit. Have we watched the part the birds now play in the drama, devouring the sweet fruits and sowing the undigested seeds, rifling the pods and capsules and losing half the spoil in their eagerness ? Do we know who scatters the acorns 1 Next year's buds have been formed, the seeds have been scattered in a hundred different ways, the leaves are surrendering the last results of their industry to the parent trees, and the birds are gathering for their southward flight before the cold breath of approaching winter. It is 64 HANDBOOK OF NATURAL HISTORY. now the fourth and last act. "Winter's spell begins to be felt; life ebbs out of sight. "Proserpina is in Hades; sky and mother earth must mourn till her release." Your studies will gain in precision if you make for yourselves a naturalist's year book, noting the events of each week a " Colin Clout's Calender " in fact (see Grant Allen's book with this title). If you need it seek help from the Naturalist's Diary, by Roberts, and the Field Naturalist's Handbook, by J. G. and Th, 'Wood. Try to find an excellent little shilling book, possibly out of print now, called Wild Flowers of the Year, and utilise popular books such as Johns' Flowers of the Field. Enrich and vivify your pictures, as you need, by reading tke works of men like Richard Jefferies and John Burroughs; and it is hardly necessary to say that Gilbert White's Natural History of Selborne is the field naturalist's classic. Seek also to realise what flowers have been to men in by-gone centuries what they may still be to you emblems and heiroglyphs. Thiselton Dyer's Folk Lore of Plants, and Euskin's Proserpina will help you to this, and the poets even more. Perhaps you think that this is merely " play- ing at Botany" (which by the way, is the THE STUDY OF FLOWERS. 55 suggestive title of one of the numerous in- troductions to the study of flowers), but education would be surely better if it had more of the naturalness of play. I believe, indeed, that the child playing in the garden or the meadow may readily know more of the flowers than the medical student a slave to his text book. But the path which I have sketched is not so easy as it looks ; whatever accuracy and precision characterises other methods is needed here also ; no blurred impressions or casual glances may be tolerated if you would know the " flower in the crannied wall." Do not suppose that this study of the seasonal changes "Phenology" the learned call it means a dilletantism in science. At every point, whether you are studying buds or flowers, fruits or seeds, you must avail yourselves of all the precise analytic methods of the schools ; dissecting and sectioning, drawing and experi- menting ; and you must, of course, make use of all the knowledge you can gather. But you will do all this with good grace, as you personally discover the need of it, in order to arrive at the solution of each month's problem. Thus you should have a " Flora," such as Hooker's or Hayward's, and learn to use it; you should make some simple physiological ex- 56 HANDBOOK OF NATURAL HISTORY. periments, such for instance as growing seeds of maize in different solutions of salts ; and you must have a sharp penknife and learn to dissect with perfect neatness. Yet again, to pull a plant up by the roots, instead of sitting down beside it, to tear it to pieces to count its stamens, when a breath would have disclosed them is an artless pursuit of science, and worse. As a guide to the practical study of flowering plants if you must have a guide Bettany's First Lessons in Practical Botany, may be mentioned; in detailed microscopic analysis, the practical manuals by Professor Bower and Professor Strasburger (trans, by Prof. Hill- house) may be used and, unfortunately, also abused. II. THE WOELD'S FLORA. The student should not rest satisfied with observing the march of the seasons in his own country, indeed he cannot fully understand this without a broader survey, without some pictures of countries which know no winter in their year, or of others whose summers seem to come and go in a few weeks. Let him search out in the nearest library, a famous, yet too much for- gotten book, Humboldt's Cosmos, or at any rate run through his Aspects of Nature, with its passages of imperishable description; let him THE STUDY OF FLOWERS. 57 read Darwin's Naturalist's Voyage, "Wallace's Malay Archipelago , Tropical Nature, etc., Bates' Naturalist on the Amazons, and so on, down to Miss North's Recollections of a Happy Life (1892) ; in short, let him skim through the works of the naturalist travellers, until he has formed for himself a series of pictures of the World's flora. Brehm's From North Pole to Equator, which will be published this year in translation, is also most useful, though more zoological than botanical. Nor need this study end in merely mental pictures, for in Miss North's collection at Kew, and in the collections begun in the Botanical department of University College, Dundee, and in connection with the Edinburgh Summer Meeting, there is more than the suggestion of a gallery of landscapes and vegetation, by which we may vividly realise what the world is like. Someone has said that a true naturalist sees a tropical forest in a square yard of meadow and it is at least true, that even without leaving our shores, the student may realise the flora of the Steppes, of the Tundra, of the Alps; or, with the help of the greenhouse, even of the tropical forest. ITT. THE WEB OF LIFE. Perhaps the 58 HANDBOOK OF NATURAL HISTORY. greatest debt that naturalists owe to Darwin is suggested in this phrase, "the web of life," for it was he, above all others, who led us to an appreciation of the dramatic complexity of nature. " Nature is no longer a mere confused multitude of specimens to be collected and analysed, but each organism is linked with others as consecutively as in the ' House that Jack built ' ; nay, with indefinite cross relations as well ; what seemed a unit is a link ; what seemed a chain is but a thread within the labyrinthine web of nature." Starting, for instance, from Darwin's familiar illustration of the links connecting cats and clover, we may follow this fascinating study of inter-relations into infinite detail, until the image of the web becomes vividly real to us. Thus there are the relations between flowers and insects to be observed and pondered over, with help for instance from Hermann Miiller's Fertilisation of Flowers (trans, by Prof. D'Arcy Thompson, London, 1883), Kerner's Flowers and their Unbidden Guests (London, 1878), Sir John Lubbock's British Wild Flowers considered in Relation to Insects (London, 1875), and Henslow's Making of Flowers (London, 1891). The relations, both friendly and hostile, between plants and ants; the work of the prolific THE STUDY OP FLOWERS. 59 aphides in making honey-dew' and the man- ner in which these pests are exploited in turn by the ants ; the ravages of injurious insects (see Miss Ormerod's excellent Manual, 2nd edition, London, 1891); these and many other sets of facts will lead the student to understand what is meant by the web of life. See also the author's Chapters in Modern Botany (London, 1893), and Mr. J. Arthur Thomson's Study of Animal Life (London, 1892). Just as animals struggle with one another, and help one another, so it is with plants, though we cannot suppose them to be aware of their inter-relations, as most animals are. Make a study of a hedge row; realise the struggle for room, for air, for light ; see how a climber like Jack-Eun-the-Hedge scrambles on the shoulders of his competitors, or how others are saved by their finely cut leaves, which expose a large surface to the air. Consult in this connection Sir John Lubbock's Flowers, Fruits and Leaves, and Grant Allen's bright papers in The Evolutionist at large, Vignettes from Nature, Pedigree of Flowers, etc. Look up Nature, September, 1889, for an abstract of a lecture by Mr. Walter Gardiner, on "How plants maintain themselves in the struggle for existence"; or find in back numbers of Natural