CHECK LIST N. AMER. AMPH. REPT. 45 



Dipsosaurus dorsalis Hallowell 



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

 Dipsosanrus dorsalis Cope 



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



TYPE locality: Colorado Desert, California. 



range: EpaB*-G»pe"Str"tftrcai«rnorth alonf? Gnlf^^oast 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 



Agavia 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. 



L^ Crotaphytus 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, south w e st e rn California, 



'^^ northern Mexico^a«>-^ /^oyrtA. CodlU 



,/ Crotaphytus copeii Yarrow r: art_/^Vu . 



Crotaphytus copeii Yarrow *" "f^ 



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



Crotaphytus vnslizenii (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. 



/«__1_ _,._.. ...^r _ ..1. -f. X^-^ 



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