33. NTUOPHIS 707 



dd". — The sum of the number of caudal blotches and 



preoculars of both sides of head rarely exceeds 



16; usually one preocular; 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 

 rowsj dorsal blotches few (average 44 on body, 11 

 on tail) J supralabials usually nine or more. 



P. vertebralis. — p. 737. 



1 58. Pituophis catenifer catenifer (Blainville) 



Coast Gopher Snake 



Plate 74 



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

 1835, p. 290, pi. 26, figs. i-ih (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 Denburch, Occas. Papers Cal. Acad. Sci., V, 1897, 

 p. 195 (part); Van Denburgh, Proc. Amer. Phiios. Soc, Vol. 

 XXXVII, No. 157, p. 140; McLain, Critical Notes, 1899, p. 11; 

 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. 71 (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). 



