Bascanion laterale Cope, Proc. U. S. Nat. Mus. v. 12, 1889, p. 147.
Zamenis lateralis fuliginosus Cope, Am. Nat. v. 29, 1895, p. 679; Cope, Report, U. S. Nat. Mus. 1898 (1900), p. 809, fig. 178.
This snake was described from two specimens taken by the naturalists of the Albatross. I have seen none.
5. Crotalus mitchellii Cope.
Crotalus mitchellii Van Denburgh, Proc. Cal. Acad. Sci. 2d ser. v. 5, 1895, p. 160; Cope, Report, U. S. Nat. Mus. 1898 (1900), p. 1196.
A single rattlesnake of this species, taken by Mr. W. E. Bryant in February, 1889, is the only record for this island.
Socorro Island.
The following lizard is the only reptile known from this island.
1. Uta auriculata Cope.
Uta auriculata Cope, Proc. Bost. Soc. Nat. Hist. v. 14, 1871, p. 303; Boulenger, Cat. Liz. Brit. Mus. v. 2, 1885, p. 214; Cope, Bull. U. S. Nat. Mus. no. 32, 1887, p. 35; Townsend, Proc. U. S. Nat. Mus. v. 13, 1890, p. 143; Cope, Report, U. S. Nat. Mus. 1898 (1900), p. 300.
This Uta was first described by Cope in 1871 from material collected by Grayson. Townsend secured nine specimens which are now in the National Museum. The California Academy of Sciences has seventeen, taken by its expedition to the Revilla Gigedo Islands in 1903.