Order Rodentia - Family Sciuridae Author Robert S. Hoffmann Author Charles G. Anderson text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 419 465 book chapter http://doi.org/10.5281/zenodo.7353130 1-56098-217-9 7353130 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).