Peromyscus melanophrys (Coues, 1874) . Proc. Acad. Nat. Sci. Philadelphia, 26:181.

TYPE LOCALITY: Mexico, Oaxaca, Santa Efigenia .

DISTRIBUTION: S Durango and Coahuila, south through interior Mexico to Chiapas.

SYNONYMS: coahuilensis, consobrinus, micropus, xenurus, zamorae.

COMMENTS: Revised by Baker (1952) to include xenurus, which Osgood (1909) had retained as a species. Relationships evaluated by Schmidly et al. (1985) and Stangl and Baker (1984b). The level of differentiation of micropus from Jalisco invites study. P. melanophrys species group.