CHAPTER X: CLASSIFICATION OF THE 

 NORTH AMERICAN LIZARDS 



Of the North American reptiles the lizards present the 

 greatest number of families. Following is a classified arrange- 

 ment of the families and genera: 



Family 



Geckonid.-e 

 (The Geckos) 



EUBLEPHARID.-E 



(Geckos) 



Iguanid.« 

 (Iguanas, 

 Chuckawallas, 

 Desert Lizards, 

 Swifts, 



Horned"Toads' 

 Etc.) 



Anguid.-e 



(Plated Lizards, 

 Glass Snakes) 



Order LACERTILIA 



Genus North American Species 



J Phyllodactylus 2 Species Semi-arboreal 



1 Sphaerodactylns i " " " 



Eublepltaris . 



A nolis I 



Ctenosaura 2 



Dipsosaurus i 



Sauromaliis 2 



Crotapbytus 3 



Callisaurus i 



Uma 4 



Holbrookia 5 



Uta II 



Sceloporus 13 



Lysoptychus i 



Phrynosoma 12 



Gerrhonotus 4 



Ophtsaurus i 



Terrestrial 



Arboreal 



Semi-arboreal 



Terrestrial 



Mostly terrestrial 

 Terrestrial 



Helodermatid/E .j Heloderma.. 

 (Beaded Lizards) ( 



Xantusiid^ 



•j Xantusia $ 



TEIID.E J^ Cnemidophorus 8 



(Includes the | 

 Striped Lizards) 1 



95 



