35. CONTIA 771 
scales are smooth, in 15 or 17 rows, each with one apical pit. 
The anal plate is divided, and the urosteges are in two 
series. The eye is small, with round pupil. 
175. Contia tenuis (Baird & Girard) 
SHARP-TAILED SNAKE 
Calamaria tenuis Bairp & Grrarp, Proc. Acad. Nat. Sci. Phila., Vol. VI, 
1852, p. 176 (type locality, Puget Sound). 
Contia mitis Barrp & Grrarp, Cat. N. Amer. Rept., Pt. 1, Serpents, 
1853, p. 110 (type locality, San Jose, California); Grrarp, U. S. 
Explor. Exped., Herp., 1858, p. 125, pl. X, figs. 6-12; Barro, Rep. 
Pac. R. R. Surv., Vol. X, 1859, pl. XXXVI, fig. 7; Cope, Proc. 
Acad. Nat. Sci. Phila., 1860, p. 251; Copr, Proc. Acad. Nat. Sci. 
Phila., 1861, p. 74; Cooper, Proc. Cal. Acad. Sci., Vol. IV, 1870, 
p- 64; Cope, Bull. U. S. Nat. Mus., No. 1, 1875, p. 36; GARMAN, 
Mem. Mus. Compr. Zool., Cambr., Vol. VIII, 1883, pp. 93, 164; 
Bocourt, Miss. Sci. au Mex., Rept., 1883, p. 557, pl. XXXIV, 
fig. 3; Yarrow, Bull. U. S. Nat. Mus., No. 24, 1883, p. 87; Town- 
SEND, Proc. U.S. Nat. Mus., Vol. 10, 1887, p. 239; Cope, Proc. U.S. 
Nat. Mus., Vol. XIV, 1892, p. 601; Boutencer, Cat. Snakes Brit. 
Mus., Vol. II, 1894, p. 267; Wan Densurcu, Occas. Papers Cal. 
Acad. Sci., V, 1897, p. 162; Mc Larn, Critical Notes, 1899, p. 11; 
Brown, Proc. Acad. Nat. Sci. Phila., 1901, p. 68; Cope, Report, 
U.S. Nat. Mus. for 1898, 1900, p. 925; Dirmars, Reptile Book, 
1907, p. 332, pl. CI, fig. 2; GRINNELL & Camp, Univ. Cal. Publ. Zool., 
Vol. 17, No. 10, 1917, p. 183. 
Lodia tenuis Batrp & Grrarp, Cat. N. Amer. Rept., Pt. I, Serp., 1853, 
p- 116 (type locality, Puget Sound, Or.); Grrarp, U.S. Explor. 
Exped., Herp., 1858, p. 122, pl. IX, figs. 8-11; Barrp, Rep. Pac. 
R. R. Surv., Vol. X, 1859, pl. XXXVI, fig. 8; Cope, Bull. U. S. 
Nat. Mus., No. 1, 1875, p. 36; Core, Proc. U. S. Nat. Mus., Vol. 
XIV, 1892, p. 602. 
Homalosoma mite Jan, Arch. Zool. Anat. Phys., Vol. II, 1862, pp. 33, 
35; Jan, Elenco syst. degli Ofidi, 1863, p. 36; Jan, Iconogr. génér. 
des Ophid., 13e livr., 1865, pl. IV, fig. 1. 
Ablabes purpureocauda Gintuer, Cat. Colub. Snakes, Brit. Mus., 1858, 
p- 245 (type locality, California). 
Contia tenuis STEJNEGER & BarBour, Check List N. Amer. Amph. Rept., 
1917, p. 91. 
