48 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Sei. 



LOWER SONORAN ZONE— Continued 

 Reptiles 



Coleonyx variegatus (Baird) 



Dipso-saurus dorsalis (Baird & Girard) 



Uma notata Baird 



Callisaurus ventralis ventralis (Hallowell) 



Crotaphytus silus Stejneger 



Sauromalus ater Dumeril 



Uta stansburiana elegans Yarrow U 



Uta stansburiana hesperis Richardson U 



Uta graciosa (Hallowell) 



Uta ornata Baird & Girard 



Sceloporus magister Hallowell 



Phrynosoma platyrhinos Girard 



Phrynosoma m'callii (Hallowell) 



Xantusia vigilis Baird 



Cnemidophorus tigris tigris Baird & Girard 



Cnemidophorus tigris mundus Camp U 



Cnemidophorus hyperythrus beldingi (Stejneger) 



Leptotyphlops humilis (Baird & Girard) 



Thamnophis marcianus (Baird & Girard) 



Chilomeniscus cinctus Cope 



Sonora occipitalis (Hallowell) 



Sonora episcopa (Kennicott) 



Lampropeltis conjuncta Cope 



Rhinocheilus lecontei Baird & Girard 



Coluber flagellum frenatus (Stejneger) 



Arizona elegans Kennicott 



Tantilla eiseni Stejneger 



Crotalus atrox Baird & Girard 



Crotalus mitchellii (Cope) 



Crotalus cerastes Hallowell 



Testudo agassizii (Cooper) 



Birds 



Lophortyx gambeli gambeli Gambel 

 Melopelia asiatica trudeaui (Audubon) 

 Falco mexicanus Schlegel U 

 Micropallas whitneyi whitneyi (Cooper) 



