286 3. IGUANIDM 



51. Sceloporus graciosus vandenburgianus (Cope) 

 Southern Mountain Swift 



Sceloporus graciosus Van Den burgh, Proc. Cal. Acad. Sci., Ser. 2, Vol. 

 V, 1895, p. 114; Van Denburch, Proc. Cal. Acad. Sci., Ser. 2, 

 Vol. V, 1896, p. 1005; Van Denburch, Occas. Papers Cal. Acad. 

 Sci., V, 1897, p. 74 (part); McLain, Critical Notes, 1899, p. 3 

 (part); Cope, Report U. S. Nat. Mus. for 1898, 1900, p. 386 (part); 

 Meek, Field Columbian Mus., Zool. Series, Vol. VII, No. i, 1906, 

 p. II (part); Grinnell, Univ. Cal. Pubis. Zool., Vol. 5, No. i, 

 1908, p. 161; Stone, Proc. Acad. Nat. Sci. Phila., 191 1, p. 228 

 (part); Van Denburch, Proc. Cal. Acad. Sci., Ser. 4, Vol. 3, 1912, 

 p. 149; Atsatt, Univ. Cal. Pubis. Zool., Vol. 12, No. 3, 1913, p. 2^- 

 Sceloporus vandenburgiarnu Cope, Amer. Naturalist, Vol. XXX, 1896, 

 p. 834 (type locality, Summit of Coast Range, San Diego Co., 

 California); Cope, Report U. S. Nat. Mus. for 1898, 1900, p. 390, 

 fig. 64; DiTMARS, Reptile Book, 1907, p. 136. 

 Sceloporus gratiosus Boulenger, Proc. Zool. Soc. London, 1897, p. 507 



(part). 

 Sceloporus graciosus vandenburgianus Camp, Univ. Cal. Pubis. Zool., 

 Vol. 17, No. 7, 1916, p. 67; Grinnell & Camp, Univ. Cal. Pubis. 

 Zool., Vol. 17, No. 10, 1917, p. 159; Stejneger & Barbour, Check 

 List N. Amer. Aniph. Rept., 1917, p. 54; Stephens, Trans. San 

 Diego Soc. Nat. Hist., Vol. Ill, No. 4, 1921, p. 61; Van Denburch 

 & Slevin, Proc. Cal. Acad. Sci., Ser. 4, Vol. XI, 1921, p. 51; Nelson, 

 Mem. Nat. Acad. Sci., Vol. XVI, 1921, pp. 114, 131. 



Descrj-ption. — Head and body somewhat depressed. 

 Nostrils opening much nearer to end of snout than to or- 

 b'ts. Upper head-shields smooth, moderately large, and 

 slightly convex} interparietal largest. Frontal usuallv di- 

 vided transversely. Parietal, frontoparietal, and frontal 

 plates separated from enlarged supraoculars by a series of 

 small plates or granules. Superciliaries long, wide, and 

 strongly keeled. Rostral plate very wide and rather high. 

 Labials long, low, and almost rectangular. Below lower 

 labials some series of sublabial plates. Symphyseal large 

 and pentangular. Gulars small, smooth, imbricate, frequently 



