i922] Schmidt, Amphibians and Reptiles of Lower California 661 



Specimens in the Biological Survey collection come from Hanson 

 Laguna (U. S. N. M. No. 37674) and Ojos Negros (37677-8). 



Sceloporus graciosus vandenburgianus Cope 



Sceloporus vandenburgianus Cope, 1896, p. 834. 



Sceloporus graciosus vandenburgianus Stejneger and Barbour, 1917, p. 54. 



Range. — -Mountain ranges south of Ventura County, California, into northern 

 Lower California. 



Lower Californian Records. — San Pedro Martir Mt., Van Denburgh, 1895, 

 p. 114; Agua de las Fresas, Vallecitos, and La Grulla, Meek, 1905, p. 11. 



A specimen in the Biological Survey collection comes from La Grulla 

 (U. S.N. M. No. 37673). 



Sceloporus magister Hallowell 



Sceloporus magister Hallowell, 1854, p. 93; Stejneger and Barbour, 1917, p. or>. 



Range. — Southern Nevada, southwestern Utah, southeastern California, south- 

 western Arizona, northwestern Lower California. 



Lower Californian Records. — Gardner's Laguna, Salton River, Cope, 1900, 

 p. 361. 



Specimens in the Biological Survey collection come from Volcano 

 Lake (IT. S. N. M. Nos. 37659-60), Cocopah Mts., east base (37663), 

 and San Felipe Bay (37664). 



Sceloporus rufidorsum Yarrow 

 Sceloponts rufidorsum Yarrow, 1882a, p. 442; Van Denburgh and Slevin, 1921a, 



p. 60. 



Range. — Northwestern Lower California to Cedros Island. 



Lower Californian Records. — 75 miles S. E. of San Diego, Lockington, 1880, 

 p. 295; San Quentin Bay and Cedros Island, Yarrow, 1882a, p. 442; San Jose, 

 Matomi, Rosarito, and San Quentin, Meek, 1905, p. 11; Ensenada, Van Denburgh 

 and Slevin, 1921a, p. 60. 



Specimens in the Biological Survey collection come from Ensenada 

 (U. S. N. M. Nos. 37661-2). 



Three specimens of this species from Cedros Island (A. M. N. H. 

 Nos. 5474, 5476, U. S. N. M. No. 64473) bear out the remarks of Van 

 Denburgh (loc. cit.) in distinguishing rufidorsum from zosteromus, 

 especially in the presence of a broad mid-dorsal rufous band and similar 

 indistinct dorsolateral lines, and in the larger size as compared with 

 zosteromus from the Cape Region. 



Sceloporus zosteromus Cope 



Sceloporus zosteromus Cope, 1863, p. 105; Stejneger and Barbour, 1917, p. 57. 



Range. — Southern and central Lower California. 



Lower Californian Records. — Cape St. Lucas, Cope, 1863, p. 105; La Paz, 

 Yarrow, 1882a, p. 442; San Pablo, Magdalena Island, Santa Margarita Island, 



