Bunomys penitus (Miller and Hollister, 1921) . Proc. Biol. Soc. Washington, 34:72.
TYPE LOCALITY: Indonesia, C Sulawesi, Gunung Lehio, above 6000 ft .
DISTRIBUTION: Sulawesi; central core and SE peninsula only.
SYNONYMS: sericatus .
COMMENTS: Described as a species of Rattus, then listed as a species in the chrysocomus group of Rattus by Tate (1936) and Ellerman (1941), treated as a subspecies of Rattus adspersus by Laurie and Hill (1954), and included in Frateromys by Sody (1941). However, Bunomys penitus is distinctive in morphology and confined to montane forest formations (Musser, 1987, 1991; Musser and Dagosto, 1987; Musser and Holden, 1991; Musser and Newcomb, 1983).