1856] 307 



Ord. SAURII. 

 Fam. IGUANIDiE. 



SCBLOPORUS SCALARIS, Wieg. 



ScELOPORUs Thayerii, B. and G. 



Fam. LACERTID^. 

 Cnemidophorus gulakis, B. and G. 



Fam. CHALCIDID.E, (CYCLOSAURES, Dumeril et Bibron.) 



1st Sub. Fam. Cyclosaura ptychopleura, D. & B. 



Ophisaurus ventralis, var. 



This specimen of Opbisaurus differs from tbe others in the collection of the 

 Academy. Color olive beneath ; sides black spotted, the spots in longitndinal 

 rows, their posterior margins bordered with white ; two olive colored longi- 

 tudinal stripes along the back and greater part of tail ; head blackish, white 

 spotted above and upon the sides ; body olive colored above, white spotted. 

 Total length 26 inches; tail 18. 



Ord. OPHIDII. 



(2d Sub. Ord. Aglyphodontes ou coluberiformes, D. andB.) 



Fam. ISODONTIDJH, D. and B. (Serpentes innocui.) 



Herpetodryas ^stivus. 



Herpetodryas plavigularis. 



Elaphis Lindenheimerii. 



(Syn. ScoTOPHis Lindenheimerii, B. and G.) 



Ablabes TRIANGULUM, (var. eximius.) 



Fam. LEPTOGNATHIDiE, D, and B. 

 Storeria, (Ischognathus, D. and B.) DeKayi. 

 Numerous specimens. 



Fam. SYNORATERID^, D. and B. 



Tropidonotus ordinatus, var. 

 (EuTAiNiA MARCiANA, B. and 6.) 

 Tropidonotus erythrogaster. 



5th Sub. Ord. Solenoglyphes dits Thanatophides, D. and B. (venenosi.) 



Fam. CROTALID^. 



Crotalus conpluentus. 



Crotalcs atrox, B. and G. 



TOXICOPHIS PUGNAX. 



Ord. BATRACHII. 

 2d Sub. Ord. Anoura. 

 1st Group. Les Phaneroglosses, D. and B. 

 2d Fam. HYLID.^. 



HyLA SEMIFASCIATA, nob. 



Char. Of moderate size, larger than lateralis ; snout less acute than in latter 

 species ; head depressed, snout rounded, nostrils small, considerably nearer to 

 the extremity of the snout than the anterior margin of the orbit, a line and three- 

 <juarters apart ; eyes not remarkably prominent ; body elongated, smooth above. 



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