CHECK LIST N, AMER. AMPH. KEPT. 45 



Dipsosaurus dorsalis BLallowell 



Proc. Ac. Nat. Sci. PHla., 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. 



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



California to the Colorado and Mojave Deserts, east to the 



Colorado River. 



Crotaphytus (GENUS) 



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

 type: collaris 



Crotaphytus collaris collaris (Say) 

 COLLAaED LIZARD, MOUNTAIN BOOMER 

 Agajna collaris Say 



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

 Crotaphytus collaris Holbhook 



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. 



Crotaphytus collaris baileyi (Stejneger) 

 Crotaphytus baileyi Stbjnegek 



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

 Crotaphytus collaris baileyi Stone 



Proc. Ac. Nat. Sci. PWla., 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. 



Crotaphytus copeii Yarrow 

 Crotaphytus copeii Yabbow 



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

 Crotaphytus mslizenii (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. 



