Macrotus californicus Baird, 1858 . Proc. Acad. Nat. Sci. Philadelphia, 10:116.

TYPE LOCALITY: USA, California, Imperial Co., Old Fort Yuma .

DISTRIBUTION: N Sinaloa and SW Chihuahua (Mexico) to S Nevada, S California (USA); Baja California and Tamaulipas (Mexico).

COMMENTS: For a comparison with waterhousii, see Davis and Baker (1974:26, 34) and Greenbaum and Baker (1976). Reviewed as a subspecies of waterhousii by Anderson (1969a).