200 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



Measurements of Ralufa from tlie Rhio-Linga Archipelago. 



Name. 



Ratufa notabilis 



i)o 



Ratufa conspicua 



Do 



Do 



Do 



Do 



Do 



Do 



Ratufa carimonensis . . 



Do 



Do 



Ralufa insignis 



Do 



Do 



Do 



Ratufa condurensis . . . 



Do 



Do 



Do 



Do 



Ratufa confiiiis 



Do 



Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 

 Do. 



Locality. 



Linga 



do 



I'ulo Bintaiig' 



....do 



....do 



do 



do 



do 



do 



Great Karimon 



do 



do 



Pulo Sugi 



do 



do 



do 



Pulo Kundur .. 



do 



do 



do 



do 



Sinkep 



do. 



....do. 



do. 



do. 



do. 



do. 



do. 



do. 



Num- 

 ber. 



1130fi5 

 1130(;4 

 115525 

 115526 

 115527 

 115523 

 115524 

 115528 

 115529 

 122813 

 122811 

 122812 

 115530 

 115532 

 115531 

 115533 

 122878 

 122881 

 122882 

 122879 

 122880 

 113132 

 113134 

 113138 

 113139 

 113140 

 113141 

 11313ti 

 113137 

 113142 



Female. 

 Male . . . 

 Female . 

 ....do.. 

 ....do.. 

 Male ... 

 ....do.. 

 ....do.. 

 ....do.. 

 Female . 

 Male ... 

 ....do.. 

 Female. 

 ....do.. 

 Male ... 

 ....do.. 

 Female . 

 ....do.. 



do .. 



Male . . . 

 ....do.. 

 Female. 

 ....do.. 

 ....do.. 

 ....do.. 

 ....do.. 

 ....do.. 

 Male ... 

 ....do.. 

 ...do.. 



Hind 

 foot 



with- 

 out 



claws. 



mm. 

 72 

 73 



SCIURUS CONDURENSIS, new species. 



Type.— Ac\n\t female (skin and skull). Cat. No. 122876, U.S.N.M. 

 Collected on Pulo Kundur, Rhio-Linga Archipelago, June 13, 1903, 

 by Dr. W. L. Abbott. Original number, 2186. 



Characters. — A member of iho, prevostii group, closely resembling 

 Sciurus irielanops^ of the neighboring east coast of Sumatra, ))ut with 

 shoulder white, scarcely tinged with reddish brown. 



Color. — Upperparts and entire tail shining black. Underparts, feet, 

 and inner surface of legs orange-rufous, blackening on chin and about 

 mammae. Outer surface of upperarm a paler shade of orange-rufous. 

 Cheeks and sides of neck black, faintly grizzled by minute whitish 

 annulations on most of the hairs. A whitish patch 15 mm. in diam- 

 eter at base of whiskers, and another 5 mm. in diameter about 10 mm. 

 below posterior canthus of eye. Ears clear black throughout. The 

 whitish cream-buff lateral stripe is of the usual character. It covers 

 outer side of hind leg and extends forward to front of shoulder where 

 it is abruptl}' outlined against the blacl: neck. On shoulder it is very 

 faintly tinged with reddish brown. 



Skull and teeth. — The skull and teeth are similar to those of Sciurus 

 melanops. 



"Miller, Proc. Acad. Nat. Sci. Philadelphia, 1902, p. 151, June 11, 1902. Indragiri 

 River, Sumatra. 



