188 University of California Publications in Zoology (Vou. 17 
Rhinocheilus lecontei Baird and Girard 
Long-nosed Snake 
OrIGINAL DEscRIPTION.—Rhinocheilus Lecontei Baird and Girard, 
Cat. N. A. Reptiles in Smiths. Inst., pt. 1, 1853, pp. 120-121. 
Type Locauiry.—San Diego, California. 
Common Name.—Leconte’s Snake. 
Ranee—Chiefly Pacific slope of southern California and floor of 
San Joaquin Valley. Has been found northwest to Carrizo Plain, 
San Luis Obispo County (Mus. Vert. Zool.), and to Fresno (Yarrow, 
U.S. Nat. Mus. Bull., 24, 1882, pp. 14, 18). Hasternmost stations 
are: Independence, Inyo County (Mus. Vert. Zool.), Pasadena, Los 
Angeles County (Mus. Vert. Zool.), and Cabezon and Dos Palmos 
Spring, 3500 feet altitude, Santa Rosa Mountains, in Riverside County 
(Atsatt, Univ. Calif. Publ. Zool., 12, 1913, p. 42). Occurs within the 
Lower Sonoran life-zone. Inhabits open flat country, living in rodent 
burrows. (See fig. 11.) 
Hypsiglena ochrorhynchus Cope 
Spotted Night Snake 
OriciInAL Derscription.—Hypsiglena ochrorhynchus Cope, Proce. 
Acad. Nat. Sei. Phila., 1860, pp. 246-247. 
Type Locaniry.—Cape San Lueas, [Lower] California. 
Common Names.—Rock Snake, Xantus’s Snake. 
Rance.—The southern portion of the state, chiefly in mountainous 
districts. The stations of occurrence known to us are as follows: 
Near Christy, Contra Costa County (Mus. Vert. Zool.) ; foothills near 
Los Gatos, Santa Clara County (Van Denburgh, Proe. Calif. Acad. 
Sci., ser. 3, zool., 4, 1906, pp. 65-66) ; Shepherd Canon, Argus Range, 
Inyo County (Stejneger, N. Amer. Fauna, 7, 1893, p. 204) ; near Los 
Angeles (Riithling, Copeia, no. 15, February 20, 1915); Hesperia 
(Van Denburgh, Oce. Papers Calif. Acad. Sci., 5, 1897, p. 180) and 
Santa Ana Canon, 5500 feet altitude (Grinnell, Univ. Calf. Publ. 
Zool., 5, 1908, p. 165), in San Bernardino County ; Strawberry Valley, 
5000 feet altitude, and San Jacinto, in Riverside County (Van Den- 
burgh, loc. cit.) ; San Diego (Van Denburgh, loc. cit.), Witch Creek 
(Cope, Ann. Rep. U. S. Nat. Mus., 1898 [1900], p. 954), and Cuyamaca 
Mountains (Van Denburgh, loc. cit.), im San Diego County. Occurs 
within the Lower and Upper Sonoran life-zones. Inhabits rocky 
situations. (See fig. 11.) 
