92 



Sceloporus oruatus. 

 Sceloponis jarrovii. 

 Sceloporus poinsettii. 

 Sceloporus torquatus. 

 Sceloporus coucliii. 

 Sceloporus marmoratus. 

 Sceloporus clarkii. 

 Pbrynosoiiia modestum. 

 Phrynosoma maccallii. 

 Phrynosoma regale. 

 Phrynosoma i)laniceps. 

 Phryuosoma bernaudezii. 

 Coleonyx variegatus. 

 Phyllodactylus tuberculatus. 



Testudijiata. 

 Ciuosteruum souoriense. 

 Cinosteruum benrici. 

 Ciuosternum flavescens. 

 Testudo agassizii. 

 Phrynosoma platyrhinium has as yet been observed in Nevada only. 



X. — THE LOWER CALIFOEIJIAN REGION. 



X*. Species peculiar to the Lower Californiau region — 27 : 



Urodela. 

 Plethodon croceater. 



Amira. 

 Hyla curta. 



Oj)ludia, 

 Crotalus enyo. 

 Crotalus mitchellii. 

 Tautilla planiceps. 

 Chilomeuiscus stramiueus. 

 Ophibolus californiae. 

 Ophibolus getulus conjunctus. 

 Hypsiglena ochrorhyncha ochrorhyncha. 

 Phimothyra decurtata. 

 Pityophis vertebralis. 

 Bascanium aurigulum. 



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