IV BULLETIN 17 7, UNITED STATES NATIONAL MUSEUM 



Class Reptilia — Continued. 



Order Squamata — Continued. 



Suborder Serpentes — Continued. Page 



Family Boidae 313 



Genus Epicrates Wagler 313 



Genus Tropidophis Bibron 324 



Family Colubridae 329 



Genus Uromacer Dum^ril and Bibron 329 



Genus Hypsirhynchus Giinther 344 



Genus Alsophis Fitzinger 347 



Genus Leimadophis Fitzinger 353 



Genus Darlingtonia Cochran 372 



Genus laltris Cope -. 373 



Order Testudinata 378 



Family Testudinidae 378 



Genus Pseudemys Gray 378 



Order Loricata 380 



Family Crocodylidae 380 



Genus Crocodylus Laurenti 380 



Bibliography 384 



Index 390 



