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 



Order LACERTILIA 



GENUS NORTH AMERICAN SPECIES 



| Phvllodactylus . . . 2 Species Semi-arboreal 

 G (TSeGe D fkos) 1 Spkaerodactylus , 



EUBLEPHARID^E -I Etiblepharis i Terrestrial 



(Geckos) ( 



Anolis i ( Arboreal 



Ctenosaura 2 Semi-arboreal 



Dipsosauriis i Terrestrial 



Sauromalus 2 



Crotaphytus 3 



IGUANIDB J Callisaurus i 



(Iguanas, 1 ". 4 



Chuckawallas, Holbrookia 5 



Desert Lizards, U ta JI 



Swifts, Sceloporus 13 Mostly terrestrial 



HornecT'Toads" Lysoptychus i Terrestrial 



Etc.) I Phrynosoma 12 



Gerrhonotus 4 



> <* 



Glass Snakes) 



HELODERMATID^; -1 Heloderma i " 



(Beaded Lizards) (_ 



XANTUSIID^E | Xantusia 5 " 



TEIID^; ^ Cnemidophorus 8 " 



(Includes the 

 Striped Lizards) [ 



95 



