Macrotus californiens Baird, 1858 . Proc. Acad. Nat. Sci. Phila., 10: 116.

TYPE LOCALITY: U.S.A., California, Imperial Co., Old Fort Yuma .

DISTRIBUTION: N. Sinaloa and S.W. Chihuahua (Mexico) to S. Nevada, S. California (U.S.A.); Baja California and Tamaulipas (Mexico).

COMMENT: For a comparison with waterhousii, see Davis and Baker, 1974, Syst. Zool., 23:26, 34.