IV BULLETIN 199, UNITED STATES NATIONAL MUSEUM 



Class Reptilia — Continued 



Subclass Lepidosauria — Continued 



Order Squamata — Continued Page 



Suborder Sauria 39 



Family Gekkonidae 40 



Genus Coleonyx 41 



Genus Gonatodes 45 



Genus Phyllodadylus 46 



Genus Thecadadylus 49 



Genus Hemidadylus 49 



Genus Aristelliger 51 



Genus Peropus 51 



Genus Sphaerodadylus 52 



Family Iguanidae 53 



Genus Anolis 55 



Genus Corythophanes 68 



Genus Laemandus 69 



Genus Basiliscus 71 



Genus Iguana 72 



Genus Ctenosaura 73 



Genus Enyaliosaurus 75 



Genus Dipsosaurus 77 



Genus Sauromalus 78 



Genus Holbrookia 81 



Genus Callisaurus 85 



Genus Uma 89 



Genus Petrosaurus 90 



Genus Streptosaurus 91 



Genus Crotaphytus 91 



Genus Gambelia 93 



Genus Phrynosoma 94 



Genus Sceloporus 105 



Genus Sator 139 



Genus Urosaurus 140 



Genus Uta 147 



Family Xantusiidae 151 



Genus Lepidophyma 151 



Genus Gaigeia 153 



Genus Xantusia 154 



Family Scincidae 155 



Genus Mabuya 155 



Genus Scincella 156 



Genus Eumeces 160 



Family Anelytropsidae 170 



Genus Anelytropsis 170 



Family Teiidae 170 



Genus Ameiva 170 



Genus Cnemidophorus 174 



Genus Gymnophthabnus 192 



Family Helodermidae 192 



Genus Heloderma 192 



