[16] Ann. and Mag. Nat. Hist., 6th ser., XIV, p. 450. December, 1894.
[17] Measurements in parentheses are those of an adult male topotype of Sciurus tenuis.
[18] Measurements in parentheses are those of an older specimen of Sciurus natunensis from Sirhassen.
[19] Measurements in parentheses are those of an adult Sciurus notatus from Borneo.
[20] Measurements in parentheses are those of an adult Bornean Sciurus notatus.
[21] Measurements in parentheses are those of the type of Ratufa melanopepla.
[22] Teeth very much worn and many of them absent.
[23] Measurements in parentheses are those of a young adult A. stigmatica from British North Borneo.
[24] Tooth measurements are from a younger specimen (male) with perfect dentition.
[25] Measurements in parentheses are those of an adult male Bornean Tupaia tana.