CHECKLIST OF REPTILES OF MEXICO 119 



Range. — Montana and Washington south to extreme northwestern 

 Baja California. 



SCELOPORUS GRAaOSUS VANDENBURGIANUS Cope 



Sceloporus vandenburgianus Cope, Amer. Nat., vol. 30, 1896, pp. 834-835; Ann. 



Rep. U. S. Nat. Mus. 1898 (1900), p. 390, fig. 64. 

 Sceloporus graciosus vandenburgianus, Camp, Univ. California Publ. Zool., vol. 



17, 1916, p. 67. 



Type.— v. S.N. M. No. 21931; E. A. Mearns collector. 



Type locality. — Summit of the coast range, San Diego County, 

 Calif. 



Range. — Mountains south from Ventura County, Calif., into 

 northwestern Baja California. 



GRAMMICUS GROUP 



Species. — Two, one of which includes three subspecies. 



Range. — Extreme southern Texas and Chihuahua south to Oaxaca. 



KEY TO SPECIES OF THE GRAMMICUS GROUP OF SCELOPORUS 



1. Dorsal scales unequal; a series of enlarged scales on each side of middorsal 



line, separated from each other by small, flat scales. -heterolepis (p. 121) 

 Dorsal scales more or less uniform in size 2 



2. Scales on sides of neck not abruptly differentiated from dorsal nuchal scales; 



no enlarged series of scales on sides of neck; dorsal scales 48-66. 



grammicus gramnaicus (p. 119) 



Scales on sides of neck abruptly differentiated from dorsal nuchal scales; two 



series of enlarged scales on sides of neck posterior to ear; dorsal scales 



52-93 3 



3. Dorsal scales usually less than 70 (52-74) grammicus disparilis (p. 120) 



Dorsal scales usually 70 or more (68-93) -grammicus microlepidotus (p. 120) 



SCELOPORUS GRAMMICUS GRAMMICUS Wiegmann 



Sceloporus grammicus Wiegmann, Isis von Oken, vol. 21, 1828, p. 370. — Smith, 



Publ. Field Mus. Nat. Hist., zool. ser., vol. 26, 1939, pp. 179-182, fig. 16. 

 Sceloporus grammicus grammicus, Smith and Laufe, Trans. Kansas Acad. Sci., 



vol. 48, 1945, pp. 332-333. 

 Sceloporus pleurostictus Wiegmann, Isis von Oken, vol. 21, 1828, p. 370 (Zool. 



Mus. BerUn; F. Deppe collector; Mexico, here restricted to Chilpancingo, 



Guerrero). 

 Sceloporus rubriventris Gunther, Biologia Centrali-Americana, Reptilia and 



Batrachia, 1890, p. 72, pi. 32, fig. C (Omilteme, Guerrero; Brit. Mus. Nat. 



Hist.). 



Type. — Zool. Mus. Berlin; F. Deppe collector. 



Type locality. — Mexico, here restricted to Chilpancingo, Guerrero. 



Range. — Southern Oaxaca (San Pedro Quiechapa, Ozolo tepee) and 

 the Sierra Madre del Sur in Guerrero (Omilteme, Chilpancingo, 

 Tamazulapan, Iguala). 



