miller] seventy new MALAYAN MAMMALS 1 5 



Characters. — Similar to Sciurus pinicnsis but slightly larger, and 

 nnclerparts almost white. 



Color. — The color throughout is as in Sciurus pinicnsis except 

 that the light element of the grizzle on upperparts is paler (very 

 nearly the buff of Ridgway), the dark line on outer side of front 

 leg is less developed, and the underparts are nearly white anteriorly, 

 very pale cream-buff posteriorly. 



Skull and teeth. — The skull is slightly larger than that of Sciurus 

 piniensis and the teeth are relatively smaller, but otherwise I can 

 detect no differences. 



Measurements. — External measurements of type : head and body, 

 137; tail, — (broken) ; hind foot, 34 (31) ; ear from meatus, 13; 

 ear from crown, 8.6 ; width of ear, 1 1 ; skull, greatest length, 36.6 ; 

 basal length, 31 ; length of nasals, 10; zygomatic breadth, 22; inter- 

 orbital breadth, 12.2; maxillary toothrow (alveoli), 5.6. 



Specimens exaniined. — One, the type. 



Remarks. — While this squirrel is very closely related to Sciurus 



piniensis the characters shown by the single specimen are such that 



it is impossible to regard the animals from the two islands as 



identical. 



SCIURUS PUMILUS sp. nov. 



Type. — Adult female (skin and skull). No. 121,627, United States 

 National Museum. Collected on South Pagi Island, Sumatra, 

 November 27, 1902, by Dr. W. L. Abbott. Original number, 2098. 



Characters.- — Similar to Sciurus tenuis but much smaller and 

 somewhat darker. Not as small as Sciurus fraterculus. 



Color. — Type : back, sides, neck, head, and outer surface of legs a 

 fine, uniform grizzle of black and buff, the latter everywhere a little 

 in excess, but slightly more so on sides than elsewhere. Underparts 

 and inner surface of legs cream-buff, dulled by the appearance at 

 surface of the slaty underfur, this especially noticeable toward sides. 

 Tail like back but more coarsely grizzled and slightly yellower. 

 Feet dull buffy gray, not strongly contrasted with legs. 



Skull and teeth. — The skull resembles that of the members of the 

 Sciurus tenuis group, but is smaller than that of any hitherto known, 

 S. fraterculus excepted. As compared with that of Sciurtts pro- 

 cerus, the smallest that I have at hand, it is decidedly narrower and 

 more elongate in general outline, and the zygomata are less abruptly 

 flaring in front. Teeth relatively as well as actually smaller than 

 those of Sciurus procerus. 



Measurements. — External measurements of type : total length, 

 205 ; head and body, 125 ; tail vertebrae, 80; hind foot, 30 (28) ; ear 

 from meatus, 11 ; ear from crown, 7; width of ear, 10. 



