# ent

id: 28897
type: WORK_OF_ART
entity:
  DIFFERENT PARTS OF THE BODY IN THE SAME ANIMAL--THE ACT OF CROSSING A DIRECT CAUSE OF REVERSION, VARIOUS CASES OF, WITH INSTINCTS


id: 22728
type: WORK_OF_ART
entity:
  Species" External characters of Hybrids and Mongrels Summary Limits of Variation CHAPTER III 112-132 ON THE VARIATION OF INSTINCTS AND OTHER MENTAL ATTRIBUTES UNDER DOMESTICATION AND IN A STATE OF NATURE; ON THE DIFFICULTIES IN THIS SUBJECT; AND ON ANALOGOUS DIFFICULTIES WITH RESPECT TO CORPOREAL STRUCTURES


id: 2740
type: WORK_OF_ART
entity:
  The Influence of varying amounts of Carbon Dioxide in the Air on the Photosynthetic Process of Leaves


# bib

id: 28897
title: The Variation of Animals and Plants Under Domestication, Volume II (of 2)
author: Darwin, Charles
txt: ./txt/28897.txt
cache: ./cache/28897.txt
extension: .txt
mime: text/plain
summary:
  ANIMALS AND PLANTS--REVERSION IN CROSSED VARIETIES AND SPECIES--REVERSION INDIVIDUAL ANIMALS--STERILITY OF PLANTS FROM CHANGED CONDITIONS OF DIFFERENCE IN FERTILITY BETWEEN CROSSED SPECIES AND VARIETIES--CONCLUSIONS SELECTION--INFLUENCE OF DIFFERENT BREEDERS ON THE SAME SUB-VARIETY--PLANTS varieties have probably in some cases run wild, and their crossing alone when they crossed certain breeds, pigeons coloured like the wild _C. distinct evidence that the crossing of differently-coloured varieties well with the converse case of domesticated animals and cultivated plants When fowls, pigeons, or cattle of different colours are crossed, cases, in which the breed has not been crossed, but some ancient character species (and conversely with the white-flowered variety), when crossed crossing of the differently coloured varieties of the same species, is PLANTS--STERILITY OF CROSSED SPECIES DUE TO DIFFERENCES CONFINED TO THE In some few cases varieties tend to keep distinct, by breeding at different plants crossed species should have been rendered sterile by a different


id: 31558
title: A Monograph on the Sub-class Cirripedia (Volume 1 of 2) The Lepadidae; Or, Pedunculated Cirripedes
author: Darwin, Charles
txt: ./txt/31558.txt
cache: ./cache/31558.txt
extension: .txt
mime: text/plain
summary:
  internal basal rim; upper angle little acuminated; the occludent margins _Peduncle_, generally about as long as the capitulum; in young specimens specimens, having a capitulum only half an inch long, the upper pair of lateral marginal spines on the posterior cirri rather long; caudal Valves 5; carina with the basal end produced into a small imbedded disc; Spines on the upper segments of the posterior cirri, arranged in three lateral marginal spines unusually large and long, so as to form, with valve; the basal segment is about half as long and narrower than the specimen, was 2/10ths of an inch in length; peduncle narrow, close under _Capitulum_ formed of 13 valves; namely, two scuta, two terga, a carina hinder margin; end segment, with two long spines on the upper _exterior_ hinder margin; end segment, with two long spines on the upper _inner_ row of short spines round the upper edge of each segment, with a little,


id: 22728
title: The Foundations of the Origin of Species Two Essays written in 1842 and 1844
author: Darwin, Charles
txt: ./txt/22728.txt
cache: ./cache/22728.txt
extension: .txt
mime: text/plain
summary:
  THAT SPECIES ARE NATURALLY FORMED RACES, DESCENDED species be produced adapted by exquisite means to prey on one animal or authors probably breeds of dogs are another case of modified species selection on one species: even in case of a plant not capable of and in the case of plants from monstrous changes, that certain organs in species scarcely differ more than breeds of cattle, are probably ON THE VARIATION OF ORGANIC BEINGS IN A WILD STATE; ON THE NATURAL MEANS into a change from the natural conditions of the species [generally it, if species are only races produced by natural selection, that when organic beings in a state of nature; if changes of condition from selecting such individuals until a new race or species was formed. the number of different species on each island), a form transported from The races or new species supposed to be formed would be


id: 2300
title: The Descent of Man, and Selection in Relation to Sex
author: Darwin, Charles
txt: ./txt/2300.txt
cache: ./cache/2300.txt
extension: .txt
mime: text/plain
summary:
  foregoing, the males and females of some animals differ in structures male differs greatly in colour from the female, as well as from the As the males and females of many animals differ somewhat in habits and The sexes do not generally differ much in colour, but the males are being widely different in the males and females of certain species, In most cases the males and females of distinct species that the males of some species differ widely in colour from the females, females; and yet, when the sexes differ, the males are almost always the the females in comparison with the males cannot be accounted for, as Mr. Wallace believes to be the case with birds, by the greater exposure of When the male differs in colour from the female, he generally exhibits differences of, with those of man; fighting of males for the females;


id: 2354
author: Darwin, Charles
txt: ./txt/2354.txt
cache: ./cache/2354.txt
extension: .txt
mime: text/plain
summary:
  AND THE DEVELOPMENT OF THE BRAIN IN MAN AND APES in the structure of the brain in man and the apes, which arose some developed in apes'' as in human brains, or even better; and that it is gyri which appear upon the surface of the cerebral hemispheres in man brains of man, the orang, the chimpanzee, the gorilla, in spite of all characters, between the ape''s brain and man''s: nor any as to the the external perpendicular fissure of Gratiolet, in the human brain for chimpanzee''s brains resemble man''s, but in which they differ from the difference in the development of the brains of apes and that of the appearance of the sulci and gyri in the foetal human brain is in the posterior sulci appear before the anterior, in the brains of the temporal or frontal sulci, appear, the foetal brain of man presents

title:
  Note on the Resemblances and Differences in the Structure and the Development of the Brain in Man and Apes


id: 2010
title: The Autobiography of Charles Darwin
author: Darwin, Charles
txt: ./txt/2010.txt
cache: ./cache/2010.txt
extension: .txt
mime: text/plain
summary:
  and attended Mr. Case''s chapel, and my father as a little boy went there Once as a very little boy whilst at the day school, or before that time, insects with some little care, for when ten years old (1819) I went for Species.'' At this time I admired greatly the ''Zoonomia;'' but on reading interesting little discovery, and read, about the beginning of the year During these two years I also went a little into society, and acted as As I was not able to work all day at science, I read a good deal during into general society, and saw a good deal of several scientific men, and I worked steadily on this subject for the next eight years, and namely, that whenever a published fact, a new observation or thought my large books I spend a good deal of time over the general arrangement


id: 2087
title: Life and Letters of Charles Darwin — Volume 1
author: Darwin, Charles
txt: ./txt/2087.txt
cache: ./cache/2087.txt
extension: .txt
mime: text/plain
summary:
  was beautifully written, and my father [Dr. R.W. Darwin] declared that he believed it was published because his old letters to Fox, using words such as "my dear good old brother." In later As I was not able to work all day at science, I read a good deal during my large books I spend a good deal of time over the general arrangement After he read his paper, came his time for writing letters. And now for the time--I think I shall go for a few days to town to hear think there is time to write and receive an answer before I start, as I time you have received my letter written next day, and I hope will send the above letter, "Hooker by far best man to edit my species volume. of Natural History, and seen good specific men work out my species, and


id: 2088
title: Life and Letters of Charles Darwin — Volume 2
author: Darwin, Charles
txt: ./txt/2088.txt
cache: ./cache/2088.txt
extension: .txt
mime: text/plain
summary:
  receive, my weariful book on species, I naturally believe it mainly for thirty years read, write, and think, on the subject of species AND I write to thank you for your work on the ''Origin of Species.'' It came, [In a letter to Sir Charles Lyell reference is made to Sedgwick''s review I am glad you had a pleasant day with Hooker (In a letter to Sir J.D. Hooker (December 1861), my father wrote: "I am very glad to hear that of good books, and thinking of what she reads. [The following letter refers to Fritz Muller''s book, ''Fur Darwin,'' which Dr. Gray''s criticism on this point is as follows: "But in Mr. Darwin''s parallel, to meet the case of nature according to his own view [In the "Times" of the following day appeared a letter headed "Mr. Darwin and Vivisection," signed by Miss Frances Power Cobbe.


id: 944
title: The Voyage of the Beagle
author: Darwin, Charles
txt: ./txt/944.txt
cache: ./cache/944.txt
extension: .txt
mime: text/plain
summary:
  action stand either near sea-coasts or as islands in the midst of the Near Keeling Atoll, in the Indian Ocean, I observed many little masses colour of the water, as seen at some distance, was like that of a river land, I have seen narrow lines of water of a bright red colour, from mud-like water; these strips were some miles long, but only a few yards above the water like a great shoal of some amphibious animal. soon as the bird is seen flying, its whole appearance changes; the long little boy, riding like a Mazeppa on the white horse, thus leaving far Very great numbers of birds, wild animals, In deep water, far from the land, the number of living creatures is appeared from a long distance like black spots, whilst south of great shock took place at the time of low water; and an old woman who


id: 3704
author: Darwin, Charles
txt: ./txt/3704.txt
cache: ./cache/3704.txt
extension: .txt
mime: text/plain
summary:
  different islands--Tameness of the birds--Fear of man an passed through great bands of muddy water, exactly like that of a the land, I have seen narrow lines of water of a bright red colour, mile, and was like the rushing of a great body of water. water like a great shoal of some amphibious animal. of the country, or to the numbers of large animals inhabiting it. rhea inhabits the country of La Plata as far as a little south of little remaining water nearly as salt as that of the sea. great numbers of birds, wild animals, cattle, and horses perished In deep water, far from the land, the number of living creatures is distance be ever so great, to be deposited near the sea-coast. near Port Pleasant, they appeared from a long distance like black rock from low-water mark to a great depth, both on the outer coast

title:
  Journal of Researches into the Natural History and Geology of the Countries Visited During the Voyage Round the World of H.M.S. Beagle Under the Command of Captain Fitz Roy, R.N.


id: 2740
author: Darwin, Charles
txt: ./txt/2740.txt
cache: ./cache/2740.txt
extension: .txt
mime: text/plain
summary:
  This letter is in reply to Mr. Darwin''s criticisms on Mr. Wallace''s "Island Life," 1880.) "Animals and Plants," Edition II., Volume I., page 306.) I am very glad (page 14), he published a letter to Mr. Darwin in which he speaks of the The pages refer to Darwin''s "Geological Observations on the "Origin," Edition V., 1869, page 451, Darwin discusses Croll''s theory, page 178, 1880) Mackintosh mentions a letter received from Darwin, "who It is an interesting fact that Darwin''s work on climbing plants and Letters," III., page 279.) Judging from a long review in the "Bot. Zeitung", and from what I know of some the plants, I believe Delpino''s Plants," Volume I., page 348, Darwin added, with respect to the rarity The following five letters refer to Darwin''s work on "bloom"--a 1887; see also Darwin''s "Life and Letters," I., pages 355, 356, 362, 363.)

title:
  More Letters of Charles Darwin — Volume 2 A Record of His Work in a Series of Hitherto Unpublished Letters


id: 2739
author: Darwin, Charles
txt: ./txt/2739.txt
cache: ./cache/2739.txt
extension: .txt
mime: text/plain
summary:
  Joseph Hooker, who has most generously given the original letters to Mr. Darwin''s family. February 4th: Began work on Man. February 10th: New edition of "Variation under Domestication." Read Natural History." See "Life and Letters," II., page 31.) I feel sure I be noted that these pages were written before the appearance of Mr. Darwin''s book on ''The Origin of Species''--a work which has effected a of such cases, says ("On the Nature of Limbs," pages 39, 40), ''I think "Review of Darwin''s Theory on the Origin of Species by means of Natural A passage from Agassiz''s review is given by Mr. Huxley in Darwin''s "Life and Letters," II., page 184.), but I hope to "Man''s Place in Nature," page 110, note, Huxley remarks: "Surely it is in "Life and Letters," Volume II., page 25, but not, we think in the

title:
  More Letters of Charles Darwin — Volume 1 A Record of His Work in a Series of Hitherto Unpublished Letters


id: 5765
title: Insectivorous Plants
author: Darwin, Charles
txt: ./txt/5765.txt
cache: ./cache/5765.txt
extension: .txt
mime: text/plain
summary:
  For when a leaf is placed in hot water or in certain acids, the glands water--Inflection of the exterior tentacles when their glands are water--Inflection of the exterior tentacles when their glands are matter, when placed on glands, often cause the tentacles to begin margins of very pale leaves immersed in a solution, that the glands as water does not cause any inflection: I suddenly placed four leaves, placed on the discs of two leaves; these caused very little inflection water, caused the leaves on which they were placed to be inflected very leaves cause the tentacles to be inflected and the glands to pour forth tentacles round the discs were a little inflected, with the glands on both leaves had all their tentacles closely inflected and the glands meat were then placed on the glands of many tentacles on both leaves. placed on the glands of seven tentacles on the [page 221] same leaf.


id: 38629
author: Darwin, Charles
txt: ./txt/38629.txt
cache: ./cache/38629.txt
extension: .txt
mime: text/plain
summary:
  By the time I went to this day-school[6] my taste for natural history, As I was not able to work all day at science, I read a good deal during my large books I spend a good deal of time over the general arrangement After he had read his paper, came his time for writing letters. study in which my father worked during the later years of his life, were thirty years read, write, and think, on the subject of species _and the above letter, "Hooker by far best man to edit my species volume. Natural History, and seen good specific men work out my species, and MY DEAR DARWIN,--I write to thank you for your work on the _Origin of work has led the present writer to believe that the _Origin of Species_ In the _Times_ of the following day appeared a letter headed "Mr. Darwin

title:
  Charles Darwin: His Life Told in an Autobiographical Chapter, and in a Selected Series of His Published Letters


