Dipodomys stephensi (Merriam, 1907) . Proc. Biol. Soc. Washington, 20:78.

TYPE LOCALITY: USA, California, Riverside Co., San Jacinto Valley, W. of Winchester .

DISTRIBUTION: Riverside, San Bernardino, and San Diego Cos. of S California (USA).

STATUS: U.S. ESA and IUCN - Endangered; State of California Dept, of Fish and Game - Threatened.

SYNONYMS: cascus Huey.

COMMENTS: Relationships to other species of the heermanni group studied by Lackey (1967). Reviewed by Bleich (1977, Mammalian Species, 73).