Perognathus dalquesti Roth, 1976 . J. Mammal., 57:562.

TYPE LOCALITY: Mexico, Baja California Sur, 4 mi. (6 km) S.E. Migrino (32 km S.S.E. Todos Santos) .

DISTRIBUTION: S. W. tip of Baja California Sur (Mexico).

COMMENT: Similar to arenarius; see Roth, 1976.