Sorex emarginatus Jackson, 1925 . Proc. Biol. Soc. Washington, 38:129.

TYPE LOCALITY: "Sierra Madre, near Bolanos, altitude 7,600 feet, State of Jalisco, Mexico " .

DISTRIBUTION: Durango, Zacatecas, and Jalisco (Mexico).

COMMENTS: Referred to unnamed subgenus by George (1988:456). Findley (1955b) considered this a subspecies of oreopolus; however, oreopolus belongs to subgenus Otisorex (Diersing and Hoffmeister, 1977) . For biological and distributional information, see Alvarez and Polaco (1984) and Matson and Baker (1986).