Spermophilus beecheyi (Richardson, 1829) . Fauna Boreali-Americana, 1:170.

TYPE LOCALITY: "neighborhood of San Francisco and Monterey, in Calfornia." Restricted by Grinnell (1933) to Monterey, Monterey Co., California, USA .

DISTRIBUTION: W Washington (USA) to Baja California Norte (Mexico).

SYNONYMS: douglasii (Richardson, 1829); fisheri Merriam, 1893; nesioticus (Elliot, 1904); nudipes (Huey, 1931); parvulus (A. Howell, 1931); rupinarum (Huey, 1931); sierrae (A. Howell, 1931).

COMMENTS: Subgenus Otospermophilus (Hall, 1981:401) .