Callosciurus orestes (Thomas, 1895) . Ann. Mag. Nat. Hist., ser. 6, 15:529.

TYPE LOCALITY: Malaysia, Sarawak, Mount Dulit, 4000 ft .

DISTRIBUTION: Sabah and Sarawak [Borneo], Malaysia, at middle elevations (Payne et al., 1985).

SYNONYMS: canalvus Moore, 1959; venetus (Chasen, 1940).

COMMENTS: Formerly considered a subspecies of C. nigrovittatus (e.g., Medway, 1977:92), but clearly distinct (Payne et al., 1985). Includes Glyphotes canalvus, which Moore (1959) placed in subgenus Hessonoglyphotes . Member of the notatus species group, closely related to adamsi (see comments therein).