33. flTUOPHIS 707 



dd*. The sum of the number of caudal blotches and 

 preoculars of both sides of head rarely exceeds 

 16} usually one preocularj posterior dorsal 

 blotches often distinctly reddish or red-brown. 



P. c. rutilus. p. 733. 



a'. Coloration on anterior half of body largely red. 

 Gastrosteges 233 to 257} scales usually in 35 or 33 

 rows; dorsal blotches few (average 44 on body, 11 

 on tail)} supralabials usually nine or more. 



P. vertebralis. p. 7J7. 



158. Pituophis catenif er catenif er ( Blainville ) 



COAST GOPHER SNAKE 



Plate 74 



Coluber catenifer BLAINVILLE, Nouv. Ann. Mus. Hist. Nat., Vol. IV, 

 1835, p. 290, pi. 26, figs. a-2b (type locality, California); Bou- 

 LENGER, Cat. Snakes Brit. Mus., Vol. II, 1894, p. 67 (part). 



Pituophis catenifer BAIRD & GIRARD, Cat. N. Amer. Rept., Pt. I, Serp., 

 1853, p. 69; GIRARD, U. S. Explor. Exped., Herp., 1858, p. 135, 

 pi. VIII, figs. 1-7; GUNTHER, Cat. Colub. Snakes Brit. Mus., 1858, 

 p. 87; VAN DENBURGH, Occas. Papers Cal. Acad. Sci., V, 1897, 

 p. 195 (part); VAN DENBURGH, Proc. Amer. Philos. Soc., Vol. 

 XXXVII, No. 157, p. 140; McLAiN, Critical Notes, 1899, p. n; 

 DITMARS, Reptile Book, 1907, p. 320, .pi. XCIX, fig. 2 (part); 

 VAN DENBURGH, Proc. Cal. Acad. Sci., Ser. 4, Vol. Ill, 1912, p. 

 158 (part); VAN DENBURGH & SLEVIN, Proc. Cal. Acad. Sci., Ser. 

 4, Vol. IV, 1914, p. 136; STORER, Copeia, 1916, No. 35, p. 74. 



Pituophis Wilkesii BAIRD & GIRARD, Cat. N. Amer. Rept., Pt. I, Serp., 

 1853, P- 7i (type locality, Puget Sound, Oregon); GIRARD, U. S. 

 Explor. Exped., 1858, p. 137, pi. IX, figs. 1-7; LORD, Naturalist 

 Vancouver Island, Vol. II, 1866, p. 307 (part). 



Pityophis catenifer COPE, Bull. U. S. Nat. Mus., No. I, 1875, p. 39? 

 COPE, Proc. U. S. Nat. Mus., Vol. XIV, 1892, p. 641 (part); COPE, 

 Report U. S. Nat. Mus., for 1898, 1900, p. 876 (part). 



Pityophis sayi sayi YARROW, Bull. U. S. Nat. Mus., No. 24, 1883, p. 105 

 (part). 



