REl'TILES OF THE PACIFIC COAST. 



155 



I 



Weno7ia imbella, Baird & Girard. Proc. Ac. Nat. Sci. Phila., 1852, 

 p. 176 (type locality Puget Sound); Girard, U. S. Exph.r. 

 Exped., 1858, p. 113, Atlas, pi. VII, figs. 8-14. 



Wenona plumhea, Baird <fe Girard, Proc. Ac. Nat. Sci Phila., 1852, 

 p. 176 (type locality Puget Sound); B. & G., Cat. N. A. Rep- 

 tiles, I, 1853, p. 139; Girard, U. S. Explor. Exped., Herp., 

 1858, p. 112, Atlas, pi. VII, figs. 1-7; Bocourt, Miss. Sci. an 

 Mex., Kept., 8^ livr., 1882, p. 512, pi. XXX, figs. 7-7c. 



Charina plumhea, Cope, Proc. Ac. Nat. Sci. Phila., 1861. p. .305; 

 TowNSEND, Proc. U. S. Nat. Mus., X, 1887, p. 240; Stejneoer, 

 Proc. U. S. Nat. Mus., XIII, 1890, p. 181; Stejneger, N. A. 

 Fauna. No. 7, 1893, p. 203. 



Charina brachyops, Cope, Proc. U. S. Nat. Mus., XI, 1888, p. 88, 

 pi. XXXVI, figs. 2a-2f (type locality Point Reyes, Cal.); 

 Stejneger, Proc. U. S. Nat. Mus., XIII, 1890, p. 181; Cope, 

 Proc. U. S. Nat. Mus., XIV, 1891, p. 592; Boulenger, Cat. 

 Snakes Brit. Mus., I, 1893, p. 131. 



Description. — Top of head very slightly rounded, cov- 

 ered with plates which often differ greatly in size, shape, 

 and number in different individuals. Rostral plate very 

 large. Between it and broad frontal, two or three pair 



of plates — anterior nasal, internasal, and prefrontal. 

 Labial and prefrontal plates sometimes entering orbital 

 ring. A single loreal usually present, but sometimes 

 two or none. Anterior upper labials usually very high, 

 but, like all head-plates, subject to much variation.* 

 Scales on body smooth, imbricate, about as wide as 

 long, and arranged in from thirty-nine to forty-nine 

 longitudinal rows, lowest row on each side being formed 



*For an account of the scale variation in this genus, see Stejreger, Proc. U. S. Nat. 

 Mus., XIXI, 1890, pp. 177-182. 



