CHECK LIST N. AMER. AMPH. REPT. 45 



Dipsosaurus dorsalis Hallowell 



Proc. Ac. Nat. Sci. Phila., vol. 7, 1854, p. 92. 

 Dipsosaurus dorsalis Cope 



Ann. Rep. U. S. Nat. Mus. 1898 (1900), p. 243, fig. 18. 

 TYPE locality: Colorado Desert, California. 

 range: From Cape St. Lucas north along Gulf Coast of Lower 

 California to the Colorado and Mojave Deserts, east to the 

 Colorado River. 



Crotaphytus (GENUS) 



HoLBROOK, N. Amer. Herp., Ed. 2, Vol. 2, 1842, p. 79 

 type: collaris 



Crotaphytus collaris collaris (Say) 

 COLLARED LIZARD, MOUNTAIN BOOMER 



Agama collaris Say 



Long's Exp. Rocky Mts., Vol. 2, 1823, p. 252. 

 Crotaphytus collaris Holbrook 



N. Amer. Herp. Ed. 2, Vol. 2, 1842, p. 79, pi. 10. 

 Crotaphytus collaris (part) Cope 



Ann. Rep. U. S. Nat. Mus. 1898 (1900), p. 248. 



TYPE locality: Verdigris River near its union with the Arkan- 

 sas River, Oklahoma. 



range: Arkansas south to Middle- western and Northwestern 

 Texas and west to Eastern New Mexico. 



Crotaph3^us collaris baileyi (Stejneger) 

 Crotaphytus baileyi Stejneger 



N. Amer. Fauna, No. 3, 1890, p. 103, pi. 12, fig. 1. 

 Crotaphytus collaris baileyi Stone 



Proc. Ac. Nat. Sci. Phila., 1903, p. 30. 

 Crotaphytus collaris (part) Cope 



Ann. Rep. U. S. Nat. Mus. 1898 (1900), p. 250, fig. 19. 



TYPE locality: Painted Desert, Arizona. 



range : Southwestern Texas, southern and western New Mexico, 



Arizona, Utah, Nevada, Idaho, southwestern California, 



northern Mexico. 



Crotaph5rtus copeii Yarrow 

 Crotaphytus copeii Yarrow 



Proc. U. S. Nat. Mus., Vol. 5, 1882, p. 441. 

 Crotaphytus wislizenii (part) Cope 



Am. Rep. U. S. Mus. 1898 (1900), p. 255. 



TYPE locality: La Paz, Lower California. 



range : Southern Lower California, Cerros and Tiburon Islands. 



