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 Dumenl and Bibron 329 



Genus Hypsirhynchus Giinther 344 



Genus Alsophis Fitzinger 347 



Genus Leimadophis Fitzinger 353 



Genus Darlingtonia Cochran 372 



Genus Ialtris 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 



