Peromyscus slevini Mailliard, 1924 . Proc. California Acad. Sci., ser. 4, 12: 1221.

TYPE LOCALITY: Mexico, Baja California Sur, Santa Catalina Island, 17 mi NE Punta San Marcial, 25°43'50"N .

DISTRIBUTION: Known only from the type locality.

COMMENTS: Proposed derivation from a maniculatus-like ancestor (Lawlor, 1983) needs critical reexamination; association with maniculatus species group judged tenuous by Carleton (1989; also see Burt, 1934).