CIHM Microfiche Series (Monographs) ICMH Collection de microfiches (monographies) Canac'ian Institute for Historical Microraproductions / Institut Canadian de microreproductions historiques i QO/I r Technical and Bibliographic Notes / Notes techniques et bibliographiques The Institute has attempted to obtain the best original copy available for filming. Features of this copy which may be bibliographically unique, which may alter any of the images in the reproduction, or which may significantly change the usual method of filming, are checked below. n n □ Coloured covers/ Couverture de couleur Covers damaged/ Couverture endommagee D D Covers restored and/'.>r laminated/ Couverture restauree et/ou peliiculee Cover title missing/ Le titre de couverture manque Coloured maps/ Cartes geographiques en couleur Coloured ink (i.e. other than blue or black)/ Encre de couleur (i.e. autre que bleue ou noire) Coloured plates and/or illustrations/ Planches et/ou illustrations en couleur Bound with other material/ Relie avec d'autres documents Tight binding may cause shadows or distortion along interior margin/ La reliure serree peut causer de I'ombre ou de la distorsion le long de la marge interieure Blank leaves added during restoration may appear within the text. Whenever possible, these have been omitted from filming/ II se peut que certaines pages blanches ajoutees lors d'une restauration apparaissent dans le texte, mais, lorsque cela etait possible, ces pages n'ont pa^ ete filmees. Additional comments:/ Commentaires supplementaires; This Item is filmed at the reduction ratio checked below/ Ce document est f ilme au taux de reduction indique ci-dessous. 10X 'iHX IHX 12X 16X 20X L'Institut a microfilme le meilleur exemplaire qu'il lui a ete possible de se procurer. Les details de cet exemplaire qui sont peut-etre uniques du point de vue bibliographique, qui peuvent modifier une image reproduite. ou qui peuvent exiger une modification dans la methode normale de f ilmage sont indiques ci-dessous. Coloured pages/ Pages de couleur D I I Pages damaged/ Pages endommagees □ Pages restored and/or laminated/ Pages restaurees et/ou pelliculees Pages discoloured, stained or foxed/ Pages decolorees, tachetees ou piquees D Pages detached/ Pages detachees Showth rough/ Transparence I I Quality of print varies/ Qualite inegale de I'impression Continuous pagination/ Pagination continue n □ Includes ir Comprend index(es)/ Comprend un (des) index Title on header taken from:/ Le titre de Ten-tSte provient: □ Title page of issue/ Page de titre de la li □ Caption of issue/ Titre de depart de la li n vraison vraison Masthead/ Generique (periodiques) de la livraison 22X 2SX 30X / 24 X 28X 32 X The copy filmed here has been reproduced Thanks to the generosity of: National Library of Canada L'exemplaire film6 fut reproduit gr3ce d la g6n6rosit6 de: BibliothSque nationale du Canada The images appearing here are the best quality possible considering the condition and legibility of the original copy and in keeping with the filming contract specifications. Original copies in printed paper covers are filmed beginning with the front cover and ending on the last page with a printed or illustrated impres- sion, or the back i^over when appropriate. All other original copies are filmed beginning on the first page with a printed or illustrated impres- sion, and ending on the last page with a printed or illustrated impression. The last recorded frame on each microfiche shall contain the symbol —»• (meaning "CON- TINUED"), or the symbol V (meaning "END"), whichever applies. Maps, plates, charts, etc., may be filmed at different reduction ratios. Those too large to be entirely included in one exposure are filmed beginning in the upper left hand corner, left to right and top to bottom, as many frames as required. The following diagrams illustrate the method: Les images suivantes ont 6ti reproduites avec le plus grand soin, compte tenu de la condition et de la nettetd de l'exemplaire film6, ot en conformit6 avec les conditions du contrat de filmage. Les exemplaires originaux don* la couverture en papier est imprimde sont film^s en commenpant par le premier plat et en terminant soit par la dernidre page qui comporte une empreinte d'impression ou d'illustration, soit par le second plat, selon le cas. Tous les autres exemplaires originaux sont filmds en commengant par la premidre page qui comporte une empreinte d'impression ou d'illustration et en terminant par la dernidre page qui comporte une telle empreinte. Un des symboles suivants apparaitra sur la derniere image de cheque microfiche, selon le cas: le symbole — ♦► signifie "A SUIVRE ", le symbole V signifie "FIN". Les cartes, planches, tableaux, etc., peuvent dtre filmds d des taux de reduction diff^rents. Lorsque le document est trop grand pour etre reproduit en un seul clichd, il est filmd d partir de Tangle sup^rieur gauche, de gauche d droite, et de haut en bas, en prenant le nombre d'images ndcessaire. Les diagrammes suivants illustrent la m^thode. 1 2 3 4 5 6 MICROCOPY RESOlUTICri TEST CHART (ANSI and ISO VEST CHART Nc. 2) 1.0 m \\2i 2.5 1 5_0 ~ »^ liiiM i|||2.2 [flllM '"'— !! 1^ 2.0 u, buu I.I 1.8 1.6 1.25 1 1.4 jd APPLIED IN4>^GE Inc —rl '653 tasi Main Slreel Sr^ Rocheslet, .New rork U609 USA '•i^ (716) 482 - 0300 - Phone = (716) 288 - 5989 - Fax NOTES ON SOME JUIJA.SSIC FOSSILS, COLLECTED BY ME. G. M. DAWSON, IN THE COAST RANGE OF BRITISH COLUMBIA, BT J. F. Will TEA VES, F.G.S., PALEONTOLOGIST TO THE SLRVBT. The fossilis which form the subject of the present preliminary report were colleeted lit thi'oe localities, tlie furthest of which are not more than eight miles apart. By tar the yreatesl number of specimens are from the left bank of the IltasA-ouco Bivcr, fbui- miles above its junction with Salmon or Dean River ; two are fi-om the falls of the lltasyouco, three miles below the last mentioned locality, the rest are from Signtlat Lake. The lltasyouco Kiver, it may lie mentioned, is a stream about six miles in length, which flows from Sigutlat Lake into the Salmon "River. The collection consists of twent3'-seven s])ccies of Mollusca and one of Annelida. With very few exceptions, the fossils arc both im])erfect and in a poor .slate of ]treservation, so that even theii- f>'eneric position is some- times doubtful. The Ammonites, in particular, are almost all mere fragments. The following is a provisional list of the species, with short deseri]itions of such as ajipear to be new, and critical remarks on others. 1. TerebraUda ?— Shell (or rather cast) compressed, very gently convex; outline ovate or obovate; length greater than the width at all stages of growth ; thickness through the closed valves about equal to one half the width ; no mesial fold or sinus. The shape varies in ditfcront individuals; the maximum width being nearly always in advance of the middle, but one S])ecimen is broadest at a little distance from the hinge line and somewhat pointed in front. Two half grown exani)iles are ovatel^'-orbicHlai-, and not longer than wide, but the rest are much more elongated. Beak of the ventral valve incurved (but scarcely so much so ^ GEOLOGICAL SURVEY OF CANADA. in the cast as to entirely conceal the deltilium or beak of the dorsal valve); ohiiquely and coiK-avoiy truncate; foramen rather larije ; lateral ridges distinct. Dorsnl valve with an impressed line oi' groove in the centre, which extcjuls nearly hail-way to the front inai-gin, and indicates the position and shape of the mesial septum : on either side of this there is a single (?) divergent muscular scai-, of nearly the same length. The shape of the scars is subspathulate or elliptic-ovate, but they each commence as a simple impressed line. Surface marked with coarse, distant, concentj-ic striic or plications. Sigutlat Lake and lltasyouco River, abundant. The only Tei-ebratula yet recoided from rocks which are known to be of Jurassic age in North xVmerica, is described and figured by Meek, though without any specific name, in the first volume of the Palaeontology of Califbi-nia. It wasoijtaiiied on the western slope of the Sierra Nevada, and appears to be distiiu/t from the present species, as it (the Nevada shell) has a more globose form and a short mesial fold and sinus. An ovate, elongated Teroi)ratuIa occurs in the coal-bearing rocks of the Queen ('harlotte Islands, in beds which may be Jurassic, but young specimens from the last mentioned locality are much wider than long, which \s not the case with any of those collected by Mr. Daw.son. In the absence of any knowledge of the test of this species, it is veiy difficult, and indeed almost impracticable to separate it by any valid character from some Huropean Terebratula?, such as T. ovoides, Sowerby, and T. punctata, Sowerby (including T. suhpunctata) as described and figured by Davidson; more especially from the first of these. 2. Grypha-a calceola, var Nebrascetisis, Meek & Hayden. lltasyouco River, one typical and characteristic convex valve, with the test jtre- served, showing both the internal and extei-nal surface markingw ; also an exfoliated specimen with both valves in situ, and a few casts. 3. Cainptonectes (?) extemiatiis, Meek & Hayden. A cast of the convex valve of a small Pecten from the lltasyouco River, precisely similar to the specimen figured under the above name on Plate III. (fig. (J), of the "Palaeontology ot the U])per Missouri." Tlie surface markings of C. extenuatus are unknown, as is also the shape of its ears, and its generic position too is quite probleniatical, though its aspect is more that of a Sijueyrionema than of a f'atnptonentes. Casts of the flat valve of a thin, compresst'd Pecten are ratliei' frequent in the Iltasj-ouco River porphyrite, which may belong to the same species. These are strikingly like Syncy- -clonmiia Mcekunui, from the Queen Charlotte Islands, in the condition in which that fossil is most commonly obtained, but the exterior of the : 1^1 National Library Bibliothdque nationale of Canada du Canaaa J NOTES BY J. F. WIIFTEAVE-S. 3 test of the convex valve of .S'. Meekiana is known to be both closely and nodosely caneollatod. 4. Lima Juplicnto, Sowerby, (Sp). Two loft valves of a Lima, both from SitfiUlat Lake, which if not identical with the Plfirjiosfoma thnlleafa of the " Mineral Concholo^y," are i-cmai'kably like it in shajie, and so far as can be ascertained at ])resent, in sculplui-o also. One specimen has the test partly exfoliated ; in the olhei- the shell is considerably <'icconi))Osed, but its orii^inal surface markinijs arc sharply irnpiTsscd on part of the rock which was broken from the specimen, and which orii>:inally enveloped most of one side of it. The sculptui-e consists ap]mrently of about twenty-eiijht acute, anuMilar. radiatini; costa\ each of which alternates with a sint^le, fine, raised line, just as in f.. dxipUcnta. In the Quarterly Journal of the Geoloiver ; prohuMy new lo seienee, but not in "u Biirticiently u-ood condiiiun (o be properly ehai'aeterized. H. Pinna suhamceUati, N. Sp.-Shell nx.demtely convex, wedsre- shaped, elon-ated: s(puii'ely Inincate behind, or nearly so; hinge Ihie straight; ventral margin also .s(,uight for the greater j.art of its Tengti,, but rounded at its junction with the posterior end. Sui'face mai-ly good specimen from Sigutlut Lake. Very near to M. cancellnta, ( ioldfuss. 10. Modiola pertmuis, Meek & Hayden. Three left valves of a small smooth Modiola, (two from the Iltasyouco liiver ; the other one from' Sigutlat Lake), one of whicii appears to be a distorted but otherwise tolerably typical example of JI. pertenuis, while the two others are probably only a short, broad variety of the san.e species. It is not easy to see how .1/. prrtemiis can be distinguished from J/, mimma, Sowerby of the European Lias, as figured and dose I'i bed in the Mineral ConcholoJv and by Goldfuss. ^"^ n. Grammatodon inornatm, Meek & Ilajden. Iltasyouco River, two Bmgle valves. Apparently very near to Area Lineata Goldfuss. from the Lias of Germany. 12. (h-nmnuitodon (.?) IlUmjoucoensis, N. Sp.-Shell moderately convex but shghtly dei.ressed near the middle below; very ine.p.ilateral • anterior end short narrow and obtusely pointed ; j:^sterior end elongated' widening gradually both above and below; truncated ai.nost squarely ai Its extremity. Hinge line straight, ascending gradually behind the beaks, and sloping downwards rather abruptly in front of them. Beuks } ■ ... * : > NdTES BY .1. K. WHITEAVES. S> broad, doprossed, ciiivod inwards and forwards, situated vory near to the anterior end, but not <|uitc terminal. Jiiijjht valve (the oidy one known) with indications of one or two elonu;ated, linear ])Osterior teetli, placed parallel to the hinge line, and of at k'a>t tbrco obliiiuely transverse anterior teeth. Surface mai'ked with close-set, crowded and extremely tine, radiating striic, which are scarcely visible to the naked eye, and which bec'.'me almost obsolete on the ill detined posterior area. Iltasyouco River, a single specimen of the right valve, with the lower half of the postcrioi- end broken away. Tiie pallial line and muscular impressions aie not visible, and the hinge characters are imj)erfectly shown, so that it is doubtful whether this shell is a Gnivimatodon or a true M'tcrodon. 13. Cuculkcd (f) Sp. IJndt. — A small, rather ventricose, subrhomboidal species, with piomiiieiit, nearl}' central, incui-ved beaks. An obtuse keel runs from the beaks to the base, and separates an obliquely flattened posterior area from the ii'.ain bod}- of the shell. The surface is marked by close-set, raised striations, which are crossed by rather more distant, radiating lines. 14. Yoldin (or Corbis) Sp. Undt. — A single valve of a small shell from the Iltasyouco River, with no vestiges of the hinge teeth or of any (>f the markings of the interior remaining The outline of the specimen is remarkably like that of Nuculi speciosa, Munster, from the Muschelkalk of Germany, which is, probably, a Yoldin ov Portlandin, but it is also almost equally similar in shape to Oorbis uniformis, Phillips, from the Yorkshire Lias. It is not a Tancrediii, in the writer's judgment, though its contour is not very dissimilar to a fossil doubtfully referred to that genus by Meek and liayden, under the name T. incequilateralis ; but the latter species has a much flatter shell, and is more angular at the junction of the hinge lino with the postei'ior end. 15. Trhjonia Dairsoni, N. Sp. — Shell gently convex, compressed ; out- line ovately-subti'igonal ; anterior end very short, broadly rounded, as is also the ventral margin ; beaks elevated, recurved, anterior, subter- minal ; hinge line sloping concavely downwards behind the beaks; extremity of the somew'i ^ elongated posterior end truncated rather obliquely. Surface of ti ; main body of the shell marked by about twelve curved, nodulous eostic, all of which commence at the margin of the posterior area. The five nearest the beaks curve downwards, and terminate at tl.e anterior end. The middle ones, though curved, are nearly transverse, and end at the centre of the ventral margin, while the three last incline decidedly backwards. The poslerioi- area is marked either OEOLOOICAL 8IRVET OP CANADA. hy or„w,|.,l. „„„,,v»,,o, ,v«„hu.lv ,„.,,,„«„, ,,„<, ,„„,;„„„„„ ,„;,,„,, ,„.. ! ;:r; "■''"'■';■'"■""" l ■"•" ">■•■■■""«•"-'>• >««,„,„,., t,.a,„ver.e i , '"' ."""' '■l'»""-'-'"i" »l"'i-. >vl,i,.i, ,l„. wii.o,- ,„,, „„„.h up„o.„. , ,„. /■. /,„„«„, „„„„, ,„,„ ,„ „,„ „„.^,^^. ^^^^^ ' » W '■" "V r ","'•'■" ■''""""' ■ "■' P''»?« *'■> ">■ V'..l. I ..!■ .1,0 .. P, ll" H..l,y M . .M„„|, ,ay,:_"TI,o,o »,„ i„ tl,„ c,,||„o,i„„ f,,,,,„,„„ „f ..,«», l.,.,n that do«c,-,l,„J, ,„„l l,a. ,l,e „.„„ ,li.ii,„,|, ,„„,,„, ^ho' • are, h„„.cvc.,-, not an^ulaHy .lofloHo,!, I„„ ...n-vcd ,„■ ill, ,„,„„,,, * mpo,*,.. .p„<.i,n„,„, whoso spooiNc ehavaotc. „,■„ ol,«.,„.elv .hi „ vl.,«o Kloofhoatio,, i., ,ho,Co,.o, „„„„whu, ,„„.o,.tai„. ' They v y eo„»„l„,.a ,,. ,„ .,„,,, ,„o hei,« rathe,- 1„„,,„,. ,ha„ „•,,,„■ i„ ,^ ^^ the h„,«ht and lo„,th are nearly- e,,ual. The „allial h,.,,,„,. of th diHtinclly crenulated. '^ an A.,ta,te^ f o,„ ,h„ I|,a,^.„u,,, «,,.„,. „.|,i,h althoa^rl, n„K-h 1 „.„er than part of , he h,„K„ ,„a,Ki„, i, p,,,,,„,,l,- .■e,e,,,l,lo to that .peoio,. n eh,n«a.„d. nea.-ly ™„,„h PUur„n,,,, fro,,, the Il,asv„,.eo Rive,"v .teh ^;zT": '""'""• "" '"" ""* "«-''*-My well with Mc ,. 4 I a ,!„„» ,|o,,..np„o„ of .Uj,„„v,, .„fo«,),«™. from the Black H.1K™,.o hotter ,n faot than they tlo with the «K„re, „f that .peoie,. .V. sM,,,t.„,s,. ,ai,l ,0 be very simila,. i ,p„ a„,l „.,„pt ..-o '' P..mp,e„ „ere,rn,a, D'Orhi«n.v, from the O..fo,,li„„ hed,, „f R„»i „„,, J .re some Of the ri.a,y„„coKiv.„,.f, „„,„,,, uu the h.tte,., I„\, ™ „° lea^t. „,.e e<,„all,. like some forms of P. r,„,„«„,., B„vi,„ o,- a» t^Ied 1 """ "'"■' """""'""" ••""' '■°«"''"'y "■■'■'"««J '!"'„ they are in the spccraens collected hy M,-. Dawma 19. Pfc„„,„y„ „,„„„,.,,,^ ,j^,„^,._ ,,p 3.^ ^.^^^^^ ^^^. ^ _ . one rom S,«„tlat Lake, the othe,-, f,,„„ the llta,.yo„co Rive,) wh ch and (,,«„, e»ot the above mentioned i)„,.„pea„ Li„„sie specie,, and Ihich donot appc-ar to he .separable fl-om it even as a local variety. The btgntlat Lake specimen, an.l th.-ee of those from the Iltasyouco River / f f NOTES BY J. F, WHITEAVES. *J are much diMtortod, and luive their ori.;iiijil shape much u.tered by pressure, l,ut two from the latter locality .ee.n to have retained their normal fbnn. Pleuromyu Cnlottenm, from the Queen Chtirlotte Irihrnds, has a shorter, higher and more ventricose shell ; its beaks are more elevated and curve loruards a> well as inwards ; its posteri<.r extremity, too, is more pointe-l. l\ <\irl,AU-m,s is, perhaps, synonymous with P. Alduini, Hngt.(sp.) of the European Jurassic. 20. PbmoibU leternm, Meek and Ilayden. While breaking a largo piece of the lltasyouco Kiver porphyrite containing a valve of Gram- matodon inomutus and a cast ot' tiie shell supjiosed to be referable to Pleuromya unionldes, the writer was so Ibrtunate as to obtain a perfect specimen of this shell, in situ, in one of the fragments. Plamrhin ceternus, and three other species of fresh water shells, were Hrst found in loose pieces of rock at the base of the Black Hills i„ Dakota, and some doubt previously existed as to the, true geological hori/.on of these fossils. Writing in 1864, Mr. Meek says, " they may possibly be Tertiary species, but (litter from all those we have seen from rocks of that age in the Xorth West. It is only provisionally we i)lace them along with the Jurassic forms." The Hnding of P. vetenius, in place, associated with fossils that are almost undoubtedly Jurassic, make its aye tolerrJ-ly cei'tain, and strikingly conHrm Mi-. Meek's conclusions. Mr Moore has described another species of Planorbis, (P. Meudipenm), Irom the Charter House Liassic lead mine in the Mendip IJills of Somerset, in rocks of a very similar geological horizon. 21. Stephunoceras Tfumphrei/siannm, Sowerby, Sp. Sigutlat Lake, one specimen, the oidy toleiably perfect ammoiute in the collection. Prof. A. Hyatt, to whom all the ammoiutes were sent for e.vamination, says of this fossil,—" ir found in l':uroj)e it would be unhesitatingly retlMred to this polymorphic species and identiried with the tyj»ical forms." 22. Stephanoeerm Bratkenmhjii (?)-Sowerby, Sp. Jltasyouco River, two small fragments. "These are very interesting fragments, with all the marks of the mature forms ot Steph. BnuhenridgU,' hwi ought to bo queried because the young characteristics are not visible."— Hyatt. 2.3. Sfephanoceras (-O— Seven fragments of a small Stephanoceras, from the lltasyouco River, which Pr.jf. Hyatt has c(jmpaied with European specimens, and pronounces the former to be closely allied to S. Gervlllei iAmnonites GerviUei, Sowerby) and S. platystmmm, Reinecke, (sp.) but adds that the young look rather like th. early state of S. macrocephnlum or H. Heneyi. The penultimate whorl is rather finely ribbed, and the outer surface of the body chamber is quite smooth, at 8 GEOLOGICAL SURVEY OF CANADA. least in the cast; the umbilicus is not distinctly shown, but it must have been exceedingly Hmall. The shape of the lip is indicated to a certain . extent by an obliquely transverse, slightly fiexuous, incised groove, which curves forward from the umbilicus, and is produced into a bluntly pointed, bealc-like process in passing over the periphery. 24. Perisphinctes anneps? Reinccke. Sp. Iltasyouco River, a solitary fragment, which, according lo Prof ilyati, " has the peculiar abdominal ribs and knob-like spines of P. anceps. The al)domen may have been channeled, an.l, if so, the above indentiHcation coiih] be given without the query." 25. Belemnifes (?) Seven or eight imperfect specimens of a Belem- nite with an exceedingly slender, ,)araliel-sidcd guard. These are in such a bad state of preservation that it would bo a hopeless task to try and identify the species, or to describe it with sufficient accurracy if new. At the commencement of the ])hragmocone, the largest example does not measure quite three lines in diameter, while several of the specimens would lie l.josely in the cavity of a wheaten straw. The surface of the whole is so much worn that it is impossible to tell uhetiier there was a median or an apical groove, or none at all. Tltasyouco River. 26. Belemmtes(f) At the same locality as the preceding shell, and associated with it, are portions of what seems to be either another species of Belemnite, or at least a ditferent varietal form, and unfortunately, in quite as bad a state of preservation. The guard, though elongated and narrowly cylindrical in shape, is much thicker and more conical than is that of the fossil last described, and it is not improbable that the present species may prove to be conspecitit with a Belemnite from Dakota, supposed by Meek and Ilayden to be a slender variety of their Belemnite's densus, and fig.uvd on Plate V. (tigs. 1 a, 1 b. 1 <-,) of the " Paleontology of the Upper Missoui-i." Detached phragmocones, probably belonging to both species, are not unfiequent al«) at the iltasyouco River. These, though not very well preserved, appear to show that the tbssils of which they formed a part are referable to Bdemnites proper and not to BelemniteUa. 27. The nature of the curious fragment repre- sented in the wood cut is uncertain, but it may have been a portion of an Apti/chiis, a fragment of the pen of a calamary allied to Tewlopsis, or a piece of an aviculoid shell. 28. Serpula (?)_Three casts of the shelly tube of a species of Serpula. The most perfect specimen has l)een NOTES BY J. F. WHITEAVES. soci-elod by the animal on nearly Uk' sanu' i)lanu. and is iwiro lient, so as to present the a,ppeariiiice ol' a Hexuous-sided triuiigle with the angles blunted and half of one ot the sides wanling. The otiiers are simply ilexuous. and no vestige of the test or of its surfaee r.Kukinys is preserved on any of them. Locality, Iltasyouco fiiver. The lossils above enumerated are of much interest as affording the tirst instance yet observed of the occurrence of u well marked fauna of Jurassic age in British Colnmbia. It is true that fossils, probably from a very similar geological hoi-izon, were collected by Mr. Sehvyn in 18T5, at Eock Island Gates below Hudson's Hope on the Peace River, but these s])cciniens, wiiich were described in the Report of Progress for 18T.J-G, arc very few in number, and so imperfect that none of the species could be satislactorily determined. If the identifications in the present paper be correct, it would ap])ear that nine of Meek & Hayden's species, from the Jura.ssic rocks of Dakota, are found also in the Coast Range of British Columbia. These are : — Gnjphcea calceola, var., Nebrascenxis. Camptonectes exienuatus. Eumicrotis curtn. Modiola ( VolseUa) formosa. " " pertenuis. Grammatodon inornatus. Astarte fragilis. Plcuromya subellipUca. PUinorhis veternus. It would seem, therefore, that the sea of the Jurassic epoch once covered an extensive, and probably continuous tract of cdi\ntry on the western portion (at least) of this Continent; and there arc strong reasons for supposing that the marine faunaj of the Triassic and Cret^- ceous i)criods were no less widely spread. The Upper Trias is known to extend from Mexico, through California and Nevada, to British Columbia, and Monotis suhcirrulam, Ciubb, one of its tnost characteristic fossils, has' recently been found in the noi-thern ].art of Vancouver Lslaml ; also, on the mainland of British Columbia, at a few miles from Fossil Point, on Peace River, and on lJi)per Pine River, east of the mountains.* of th„''KailwlVsurv;r'' '""'""^' '"^"^""'^'"^ ^^ BiHiciraens collected for Mr. Dawson by Mr. J. Hunter, 10 QEOLOGieAL SURVEr OF CANADA. , have boon .sul„no.-m.d diu-in.. tlu> i •/ A.noncu nu.st "■" """• k"»w thorn, and tho oxistcco of C.J. ''"° "' »'«va,io„,, hoti, in tl,o Cu»oado ,,,„, „ ..^^ ,^ r^^"V°t °' ™''^" '"■"'' fa.' to p,,,vo ll,„t .„„„ of ,1,0 loft o,f„! ,. ' f K ■'■ *"'"■•■""». S'»-' o.™,..n.o,ov„.o,,.on,„„:i:r.Cci::r:r "'■"•' - 8»,„«icai h,.o„,. ,„t.oo„ ,„o L : ,. , : „r'L;;„""c '■"^■f"" "■■ tho Sierra Nevada Mr r-.M i Columbia and fo,.. orNova., .:;.o ^XlZ'ZtCr'' "T ^'"■"»* tl.o Iltasyoooo Ia„H.|lib'.anol„, a, 1,, , Slf ,""' ^""■'' ;""' «"""> <"' fouA™,„o„uo. .-.ono^ '7;,?"r;,:,r:: °" ">° -^0,. „»„„,, „„ "l.oci.non, enablo o„o to jud^o ^.^t; ' " "' " ™'^ f-S"— ■■.■T rai-t will, woU ioiow,, f„„ % " «''"spocine to,- tl,o most wholo, hoivevo,-, tho evidence ■„ f,,- ,. i, "'.*'<'■" I^"*?- On tho »a,.po,i,i„„ that .1,0,0 f„s«i,,lr I tih cZ7- '] T """"' "' ""' .•a.hot. to the „p„o.. part of tuZj^^"""' '"""« '" '"« '-- ' the Ci'cta- lo.sits of the * colJectioiKs couvor und in Toxas, uinstanc'os, lofica Jiiiist Uoii of tlie H tlio closo i