1899. Lepus bachmani ubericolor Miller, Proc. Acad. Nat. Sci. Philadelphia, p. 383, September 29, type from Beaverton, Washington County, Oregon.
1904. Sylvilagus (Microlagus) bachmani ubericolor, Lyon, Smiths. Misc. Coll., 45:337, June 15.
Range.—Columbia River, Oregon, south to San Francisco Bay, California, and from the Pacific Coast eastward to a line connecting the following marginal records.—Oregon (V. Bailey, 1936:109, unless otherwise noted): Portland (Nelson, 1909:251); Mackenzie Bridge; above Grants Pass. California (Orr, 1940:153): Laytonville; Maillard [=4 mi. E Lagunitas].
Sylvilagus bachmani virgulti Dice.
1926. Sylvilagus bachmani virgulti Dice, Occas. papers Mus. Zool. Univ. Michigan, 166:24, February 11, Soledad, Monterey County, California.
Marginal records.—California (Orr, 1940:166): The Pinnacles; Waltham Cr., 4-1/2 mi. SE Priest Valley; 2 mi. S San Miguel; Bryson.
Sylvilagus mansuetus
Brush Rabbit
1907. Sylvilagus mansuetus Nelson, Proc. Biol. Soc. Washington, 20:83, July 22, type from San José Island, Gulf of California, Baja California. Known from San José Island only.
This insular species is closely related to Sylvilagus bachmani and is distinguished by paleness, proportionately longer and narrower skull, fusion to skull of anterior arm of supraorbital process, and larger jugal.