176° Mr. J. L. Bonhote on the Squirrels 
Scturus Schlegeli, Gray. 
Sciurus erythrogenys, Schlegel, op. cit. p. 29 (nec Waterhouse). 
Sciurus Schlegeli, Gray, Ann. & Mag. Nat. Hist. xx. 1867, p. 278. 
The hairs of the upper parts black, with fulvous annula- 
tions in such a manner that the general colour is black on the 
head, neck, back, and feet, the light annulations being most 
marked on the sides, where they form a faint stripe, which is 
bordered by a distinct sublateral black stripe. The under- 
parts and the sides of the face chestnut. 
Dimensions :—Head and body 200 millim., tail 225. 
Hab. Kenia, N. Celebes. 
Seiurus rufoniger, Gray. 
Sciurus rufonigra, Gray, Ann. & Mag. Nat. Hist. x. 1842, p. 263; List 
Mamm. B. M. 1843, p. 142 (nec Puch.). 
Sceiurus rufoniger, Gray, Ann. & Mag, Nat. Hist. xx. 1867, p. 278. 
This species, which is known only from the type, has the 
whole of the head, back, tail, and outer sides of limbs and feet 
rich black, with a very faint but distinct pale tinge, forming 
a light lateral stripe, which spreads out over the thighs. 
Underparts and inner sides of limbs rich chestnut. 
Dimensions apparently as in the larger forms of this group. 
Hab. Unknown. 
Type, B.M. 38. 3. 13, 29. 
Sciurus rufoniger pluto, Gray. 
Macroxus pluto, Gray, Ann. & Mag. Nat. Hist. xx. 1867, p. 288. 
Whole of head, upper parts, outer sides of limbs, feet, and tail 
rich glossy black. ‘Ihe remainder dark chestnut. In some 
individuals there is a faint but clear short white lateral stripe. 
Dimensions :—Head and body 200 millim., tail 220, hind 
foot 50. 
Hab. Sarawak, Borneo. 
Type, B.M. 56. 9. 19. 6. 
This form seems to be generally distributed in Borneo 
and some of the neighbouring islands ; there are also speci- 
mens from Sumatra. 
Key to the Group. 
A. Hairs on the back not annulated. 
a‘. Whitish lateral stripe present. Face 
and cheeks not black. 
