12. BOID^ 



Genus 25. Charina 



Charina Gray, Cat. Snakes Brit. Mus., 18+9, p. 113 (type, bona). 

 Wenona Baird & Girard, Proc. Acad. Nat. Sci. Phila., 1852, p. 176. 

 Pseudoeryx Jan, Arch. f. Nat., 1862, p. 242 (type, bottir). 



The head is not, or is very slightly, distinct from the 

 neck, and is provided with irregular large plates above. 

 The nostril is between two plates. The scales on the body 

 are smooth, small, imbricate, and about as long as wide. 

 The urosteges and preanal plate are undivided. The tail 

 is short, very blunt, ending in a large, rounded plate. The 

 eye is small, with vertical pupil. 



Synopsis of Subspecies 



a. — Scales usually in more than 41 rows. 



C. b. bottae.— p. 638. 

 a'. — Scales in 41 rows. 



C. b. utahensis. — p. 642. 



139. Charina bottae bottae (Blainville) 



Pacific Rubber Snake 



Plate 59 



Torlrix bottx Blainville, Nouv. Ann. Mus. Hist. Nat., Vol. IV, 1835, 

 p. 289, pi. XXVI, fig. i-ib (type locality, California). 



Charina bottce Grav, Cat. Spec. Snakes Brit. Mus., 1849, p. 113; Cope, 

 Bull. U. S. Nat. Mus., No. I, 1875, p. 43; Bocourt, Miss. Sci. au 

 Mex., 8e livr., 1882, p. 511; Garman, Mem. Mus. Compr. Zool. 

 Cambr., Vol. VIII, No. 3, 1883, p. 7; Cope, Bull. U. S. Nat. Mus., 

 No. 32, 1887, p. 64; Stejneger, Proc. U. S. Nat. Mus., Vol. XIII, 

 1890, p. 181; Cope, Proc. U. S. Nat. Mus., Vol. XIV, 1892, p. 592; 

 Van Denburgh, Occas. Papers Cal. Acad. Sci., V, 1897, p. 154; 

 McLain, Critical Notes, 1899, p. 11; Cope, Report U. S. Nat. 

 Mus., for 1898, 1900, p. 728, figs. 148, 149, 150; Brown, Proc. 

 Acad. Nat. Sci. Phila., 1901, p. 15; Ditmars, Reptile Book, 1907, 

 p. 211, pi. LXIV; Richardson, Proc. U. S. Nat. Mus., Vol. 48, 

 1915, p. 426; Dice, Univ. Cal. Pubis. Zool., Vol. 16, No. 17, 1916, 

 pp. 314, 319; Grinnell & Camp, Univ. Cal. Publ. Zool., Vol. 17, 



