Vlll CONTENTS 



Suborder Linguata 22 



Family Scaphiopodidae 22 



Genus Scaphiopus 22 



Family Bufonidae 23 



GemisBufo 23 



Family Hylidae 27 



Genus Acris 27 



Genus Pseudaeris 27 



Genus Hyla 29 



Family Leptodactylidae 32 



Genus Eleutherodactylus 32 



Genus Syrrhophus 33 



Family Ranidae 33 



Genus Rana 33 



Family Brevieipitidae 37 



Genus Gastrophryne 37 



Genus Hypopachus 38 



CLASS REPTILIA 39 



Subclass Diapsida 39 



Order Loricata 39 



Family Crocodylidae 39 



Genus Crocodylus 39 



Genus Alligator 39 



Order Squamata 40 



Suborder Sauria 40 



Family Gekkonidae 40 



Genus Hemidactylus 40 



Genus Phyllodaetylus 40 



Genus Sphaerodaetylus 41 



Genus ColeonjTc 41 



Family Iguanidae 42 



Genus Anolis 42 



Genus Ctenosaura 42 



Genus Dipso-saurus 43 



Genus Crotaphytus 43 



Genus Sauromalus 45 



Genus Callisaurus 46 



Genus Uma 47 



Genus Holbrookia 48 



Genus Uta 50 



Genus Sator 54 



Genus Sceloporus 54 



Genus Phrynosoma 60 



Family Anguidae 64 



Genus Ophisaurus 64 



Genus Gerrhonotus 64 



Genus Barissia 66 



