. The Batrachia of North America [microform]. Amphibians; Amphibiens. THE BATUACIIIA OF NORTH AMERICA. 435 RANA C'AXTAniiKiKNi-- .; J'.ainl. ProtTi'il. Ac. riiilii., ^.')l, i).('>vJ; lioiilcii;;^!-, ISiill. Soc, Zool. Franco, 18^11, p.'JOit; (It). Cat. JJatr. «al. lint. Miis., !-â ,'; Hoiilenj^cr, Hull. 8oc'. Z<)()l. FiiUict', l"*"'.), ]). 171. IlaiKt tiuiporaria, var. Hilralicd pt., (Jiintli., Cat. I$rit. Miis., I-^IW, p. 17. Jlaiia tiiiiponiiia caiiluliriijmtin Cope, Clicck-List X. Anier. Hatr. Rcptil., 1^75, p. ',12, Tliis species (litters more widely from the R, tempora
. The Batrachia of North America [microform]. Amphibians; Amphibiens. THE BATUACIIIA OF NORTH AMERICA. 435 RANA C'AXTAniiKiKNi-- .; J'.ainl. ProtTi'il. Ac. riiilii., ^.')l, i).('>vJ; lioiilcii;;^!-, ISiill. Soc, Zool. Franco, 18^11, p.'JOit; (It). Cat. JJatr. «al. lint. Miis., !-â ,'; Hoiilenj^cr, Hull. 8oc'. Z<)()l. FiiUict', l"*"'.), ]). 171. IlaiKt tiuiporaria, var. Hilralicd pt., (Jiintli., Cat. I$rit. Miis., I-^IW, p. 17. Jlaiia tiiiiponiiia caiiluliriijmtin Cope, Clicck-List X. Anier. Hatr. Rcptil., 1^75, p. ',12, Tliis species (litters more widely from the R, temporaria than does the , so iiuich so, that I now follow Professor IJaird and Mr. Bon- ieiij;'er in niaintaininf'it as a distinct species. As usual with the si)ecie8 of their }?enus, it such variations as to render the coinmou ori{j[in of all forms certain. Thus in four specimens from Lake AUoknagik, Alaska, the web of the hind foot is as fully developed iu the R. tcmporaria pret'osa, only two phalanges of the fourth toe being fiec. wifn them was a specimen of the variety R. can- t((bri(ien,si,s crittata. In the specimen (No, 5IG9) from Puget Sound, Washington, the jwsterior leg is remarkably elongate, reaching the end of the muzzle, so as to approach nearly to the R. silratim. Two (listinct subspecies and a variety of the Rana cuntnhrigensis are known to me, which difter as follows: Only two plialaiiRPS free; no longitudinal stripcHou back or tibia li. c. latiremis. Tlireo i)liiilaii;fos free ; no lonf^itiulinal strips on back or on tibia R. c. vriltata. Three jilialan^^es free ; a median dorsal and an anterior tibial lij;!!t strii)e I{. V. cantabridyensia, Raua atntahrigensis latiremiii Cope. ProetMMlin<j;s Ainericaii Pliilos. Society, Irr-'t!, p. iV20. Muzzle rather ol)luse, more so than in the typi(!al h\ contabrifjf/ensis, and widened posteriorly; its length at the i)ost» rior edges of tlie tym- pana entering the leiigtli of the ii
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Keywords: ., bookcentury1800, bookdecade1880, bookpubli, booksubjectamphibians
