TIIK nATKAClIIA OF NORTH AMERICA. 



Ul 





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RANA DKAVTHM It.l. A- (Jird. 



Hdiia ilrniiloiii M. & fJinl., I'loccnl. Ac. I'liila. (l-flW), \>. 171; fJirnnl, U. .S. Exi)l. Ex- 



,M',li.', ll.Tp., 1.. -ill. ri. II, lif;-^. l'.l--,M. 

 /.',(»(( Iiroiihi Mtl. iV (iinl., rroi'i'i'il. Ac IMiila. (l-."i:!). p. IKH. (iiiiitli., Cal.. ji. 1.'.; 



Itid.clii, Hull. Soc. I'liilom., (F.l i, p. ITK. ami .Mins. Sc Mcx., IJatr., p. II, I'l. 



IV, f. 1. 

 l.'iiiiii iiiiiiicdiis, Ilalliiw., rrocfcd. Ac. I'liila. (Iti.M), \>.W<; Hoiilcnjjcr, Mull. .Soc. Zool. 



li. (Irt-'tl). 1>. -"* ; llioi'clii, .Mins. Sc. Mcx., Hair., p. l.'i, I'l. IV, li;;. !!. 

 i;,iiiii liiiifiiiKs, Mallow., r. .S, Kxpl. .Siirv., x (I'.V.'), iv Zoo!,, p. 'Jd, I'l. x. Ii>,'. 1. 

 l!l)irlii:iii hiiiijiiHH Vanow, Check List and Calal. of .Spec, of X. Aiiicr. ikCptilcH, Uiitr., 



(!■'-':!), 1'. •"'"'• ^''t "' I'liiiil iV Cope. 



Sp, I'll. — l>(>(l,v stout. Ilciiil bioailcr ticiii l(»iij;'. I'l.vc larj>i'; con- 

 tiiiiK-d two iiixi a liall' tiincs in clionl of jaw, and distant oni' halt' time 

 its diamiiter from tlio rictus. Tympanum tlircet'ourtliN k'n},'tli of eye- 

 lissiire. I>ody with tubercles above, each witii a jmre; without decided 

 asperities. A ;;landidar foM alon^j; ujtper jaw and a broad depre.s.sed 

 iid;;e on ea<!h side of back. l'"emur and tibia nearly equal, about half 

 the lenj;th of body, shorter than hind foot. Hind foot well webbed; 

 terminal Joints free, as are second joint.s of second, third, and fourth 

 Iocs on inner edjje.s. Above yellowish olive, with blotches of darker, 

 iiiteiper.sed with dark dots. Inferior and inner surfaces greenish white, 

 everywhere obsoletely blot(!hed finely with darker. 



There are two subspecie.s of the linnn drai/toni, which inhabit diil'er- 

 ent /iiological subrej;ions. They dilfer a.s follows: 



lliiiil loot Iwoaiiila hall tiiiien the length ol'thrlicail; skin iiliove tnli(>rnilar ; a 

 (l.iik car-pat<'h ; larger 11. d. dvuyloni. 



lliml liiol fwico length of head ; skin ahove sniootli; no dark ear-palcli; sizo 

 smaller It. d. om u. 



liana (Iroytoni ihttytoni IU\. ik. Gird.* 



IJody stout and heavy. Limbs massive and well (leveh)ped. Head 

 ratiier Inoader than Ion-;-. Nostrils moderate, with the usual papilla 

 behind, situated nearer the snout than the eye. A trianytdar exca- 

 vation ill iiont of eye, extended backwards under the eye. Eye liirj^e, 

 contained two and one half times in chord of commissure, one-half 

 of its diameter from rictus. Tympanum small, indistinct, transversely 

 el()ii<;ated; rather more than half the length of eye (its shortest diameter 

 about eipnd to half this length). A glandular fold or ridge on the back- 

 ward prolongation of (he jaw, interrupted at rictus. Inner nostrils 

 elliptical. N'omerine teeth in two series, obtuse angled behind, where 

 they are .separated by an interval le.ss than their distance anteriorly 

 from nostrils, the ridges ranging with the centers of the nares, andtho 

 teeth on a line with their posterior margin. Tongue not large. 



Hkin thick and leathery (apparently the ea.se in most frogs from the 

 I'acilic coast); above it is uniformly covered with deiuessed and soft- 

 ened tubercles, each tubercle w ith a distinct pore, sometimes with a 



' I'iate .-,1. li^. II. 



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