280 SMITHSONIAN MISCELLANEOUS COLLECTIONS [voL. 48 
which is somewhat annulated and often slightly rufous at the tip, of 
black and tawny-olive. Cheeks generally concolor with upperparts, 
but sometimes inclining to yellowish. Upper surfaces of feet, a fine 
grizzle of ochraceous or tawny-ochraceous and black. Underparts 
and inner surfaces of legs varying between ochraceous and orange- 
ochraceous. Light lateral stripe, about 5 mm. wide, varying between 
buff and cream-buff in color; black stripe, 3-5 mm. wide posteriorly, 
8-10 mm. anteriorly, finely and slightly grizzled with tawny-olive. 
Measurements.—Skin of type: Head and body, 215 mm. ; tail ver- 
tebrz, 185; hind foot, with and without claws, 48 and 44. Skull of 
type: Basal length, 43 mm.; zygomatic breadth, 31.4; interorbital 
constriction, 18.4; breadth of brain-case above roots of zygomata, 
23.3; maxillary toothrow, 9.7. 
Specimens examined.—Six skins, with skulls, from Tarussan Bay, 
and two skins, with skulls, from Padang Bovenland, at Batu Sang- 
kar, Tanah Datar, 1,500—3,000 feet. 
Remarks.—Although Sciurus vittatus tarussanus is nearer geo- 
graphically to typical vittatus (type locality, Bencoolen), yet its 
lighter underparts and duller side stripes separate it sharply from 
Sciurus peninsularis Miller, which Mr. Bonhote states is identical 
with Raffles’ types of S. vittatus. 
SCIURUS VITTATUS TAPANULIUS new subspecies 
Type.—Adult male, skin and skull, No. 114519, U. S. National 
Museum, collected at Tapanuli Bay, west coast of Sumatra, Feb- 
ruary 21, 1902, by Dr. W. L. Abbott. Original number, 1560. 
Distribution—Vicinity of Tapanuli Bay, Sumatra. See map, 
page 283. 
Diagnostic characters.—Similar to typical Sciurus vittatus, but 
upper surfaces of feet grayish tawny-olive instead of ochraceous ; 
cheeks more inclined to ochraceous-buff, and black lateral stripe 
narrower and less clear. 
Color.—Upperparts and tail, as in typical form, a fine grizzle, 
(coarser on the tail, which is somewhat annulated), of black and 
tawny-olive. Upper surfaces of feet, a grizzle of tawny-olive, and 
black ; underparts and inner sides of legs varying from orange-rufous 
to ferrugineous. Cheeks, dull ochraceous-buff. Light lateral stripe, 
about 5 mm. wide, cream-buff; dark stripe, about 5 mm. wide 
posteriorly, To mm. anteriorly, black, but finely grizzled with the 
color of the underparts. 
