642 PROCHEDINGS OF THE NATIONAL MUSEUM. VOL. XXXIY. 
Measurements of squirrels of the Sciurus. vittatus group from eastern Sumatra. 
| oS 8 q a a o 
5 ~ So. oo] 
| o/8/—E |b |e is. 
| & 2 a 3 oa Kovin ad 
| 4 Num- GPa Se | ae | os 
Name. Locality. Sex. S | S| SEl Be os 5s 
.* ber. S Oo laa! o@ fs o- 
| es} S a] ow Hy S) Pz, 
| cst ft an POW BO Sey | eae) 
gfaia |& |as|> 
an] He | a o 4H N 
'S.v.albescens .| Aru Day Fg ney Sa Ree 143400 | Female, adult.....) 200 |5115 | 48 | 48 | 17.8 | 28.5 
Oat | SUES LORD eters neers 143401 |.__.. dor teats 205 | 200 | 50 | 48.9 | 18 30 
S.v. rupatius..| Pulo Thipat: ty Weel ee owe 143402 | Male, adult...._-. 210 | 190} 541} 51.7} 18.5 | 29.9 
Ose SRE scaler ate CL OMe eee eels 143403 |....- doses cea 237 | 190 | 57 | 54.9 | 20.5 | 32 
1D) Oe ae wee a BOSE Ee hes ay erage rete 143404 |..... Ole eases 225 | 185 | 55 | 54.6 | 18.7 | 31.7 
DO te lees COM Aor eaeiiee 35 oe 143405 | Female, adult 230 | 180 | 54 | 53.7 | 19.8 | 30.7 
PORES ete ee CORES Seer eeers €143406 |_._.. Olea: PBI || QUO | GH || B24! lescsce 31.4 
ID eee esate IPG IPACINE. cos ccc eks 143410 | Male, young....-.. 200 | 196 | 54 | 50 17 28:8 _ 
IDXo)e essence lance COs eee ee 143411 Male, EXONS moocbs 220 j6131 | 56-| 538.6 | 18.9 | 31 
aD Xoy See eaeherany all eae COsthe eee 1484105 peers dossier ies 214 | 163 | 56 | 53 18 30.3 
DOR ee oeleese CORES sie AS ae 143413 | Female, adult A || UO || Ge) GB |) WD — lesece 
D Ope oe oe Ree GON A eae oe ees 143414 |... 2. OSE eas. cess 230 | 200} 54 | 53.3 | 18.8 | 31.5 
TD Oe ae | eee GORA oa ee nee 434i 5a eee QOMEte hee 220 | 190} 54 | 52.3 |} 18 30.7 
DOR sata lees COR Is as earns 143416 |__... COw ene ee 213 | 200 | 54} 52.3 |.19 30. 4 
IDEs ano alseon 2 COE Pe ree aide 1438417 |..... GOs ates tes 212 | 190} 54] 51 17.3) | 2927 
IDO Se eter sacs Koper ea mee ese 143418 |..... COM eee 220 | 180 | 55 | 51.5 | 18 30.5 
ID Xo eee Pas 24 CO ne Sue eee 1434108 eae Oka uae res oe 218 |0152 | 54 | 53.3 | 19.5 | 30.9 
ID seacoenc Pulo Tebing Tinggi....| 144326 |..... COR Ae Sa 225 | 197 | 55 | 53.6 | 18 31.5 
Dorasseae _ Pulo Mer baueeeeeeeaeee 144333 | Male, adult...--_.- 215 !°210 | 5416259 | 18325) 3127, 
iD OF Aa ae Ai eer COE eee eee 144334 Female, adult-- <=) 2157) 180)|" 63) 5223) 1758731 
S.v_ vittatus Salat ue Sass eee 143407 |_-..- (Setep tires. Sitar 203 | 210} 54 | 51.9 | 18.8 |....- 
DOP eee te ol eked Oe eee acre me 143408 |___.- Ghee case see 210 | 210 | 53 | 52 18 29.6 
One Nese ewes a REDE cee eater | 143409 |.___. dOns ete eae PAU || TC) |) | BD eh) BOL 
IDOE Series Kateman River.-.....--| 123111 | Male, adult....... 208 | 156 | 51 | 50 16 28.7 
IDX0 ere erred eee COsse ate Ate uae ee | Tei eso dose nan teh 205 | 205 | 52 | 50 Wey Le 
DOSS eae Little Siak River, at | 144189 | Female, adult... -.} 212 | 200 | 55 | 49.9 | 16.7 | 30 
mouth. 
Doers Little Siak River...... 1441908 eee GOMSsse aes 216 | 182] 54 | 50.1 | 16.6 | 29 
DOR ARE a. Sungei Mandau......_. | 144191 | Male, adult....... 212 | 190 | 52) 49 17.4 | 29 
IDXOssimendsallseose ote tie PORE eae | 144192 | ee Goneue mente 215 | 210 | 51 | 50.4] 18 | 28.8 
“ Collector’s measurements. > Tail Penn defective. ¢ Type. 
SCIURUS TENUIS Horsfeld. 
1824. Sciurus tenuis HorsrreLp, Zoological researches in Java and the 
neighboring islands (pages not numbered). 
1889. Sciurus tenuis, JENTINK, Notes Leyden Museum, XI, p. 27. 
1905. Sciurus tenuis, SCHNEIDER, Zool. Jahrb. Syst., XXIII, p. 110. 
Twenty-two adult specimens from various localities along the east 
coast of Sumatra. They show no differences from specimens from 
other parts of Sumatra or from the island of Singapore, the type 
locality of the species. For table of measurements and list of locali- 
ties see table, page 643. 
SCIURUS LOWII Thomas. 
1892. Sciurus lowii THomMaAs, Ann. Mag. Nat. Hist., 6th ser., IX, p. 253. 
(Type-locality, Borneo.) 
A small squirrel, not fully adult, Cat. No. 123116,.U.S.N.M., from 
the Kateman River, may be oRuared to Sciurus lowii aiomas It 
differs from specimens of Sciurus tenuis collected at the same locality 
in having a general color effect of dark mummy brown instead of 
tawny olive. The hairs of the edges of the ears are blackish, and the 
underparts are creamy white, in marked contrast to the gray under- 
