of the Sciurus Prevostii Group. Ib ats 
a*, White stripe unbroken from tip of cee 
nose to heel of hind foot ........ Se. Prevostu typicus. 
- WwW hite stripe broken. 
a’, Sage of tail with no fulvous tips. 
Light part of thigh not grizzled. 
we Shoulders fulvous. 
a®, Sides of face and neck iron- 
PLO Varta Saidessts eee Se. P. bangkanus. 
b°, Sides of face and neck white. ‘se 5 ee i 
si Shoulders chestnut. 
. Sides of face and ears iron- 
QUO). ciety «cio Santas el os: ore Se. P, Rafflesiz. 
*, Light part of thigh slightly 
grizzled. 
ce’. Face and shoulders fulvous, 
NOMIALL OR eracise- avsna cso ips als Se. P. navigator. 
Tigges of tail with fulvous tips. 
. Light partof thigh not grizzled. Se. P. sarawakensis. 
oe Light part of thigh erizzled. 
. Sides of body above the white 
lateral stripe grizzled .... Se. P. borneoensis. 
b’. Sides of body above the white 
lateral stripe not grizzled... Se. P. kuchingensis. 
. Whitish lateral stripe, if present, very 
faint. Face and cheeks black. 
a*, Lateral stripe very faint, but spread- 
INO GVETE LUTON. Ve i4.ces5/3 kia er spare wate Se. rufoniger typicus. 
. Lateral stripe absent, or sometimes 
very faint and shor t, never on 
thig Sar alticsy Ore sista ne a aveiesd Sasa 8 Se. rufoniger pluto. 
B. Hairs on the back annulated. 
a‘, Lateral light stripe present. 
a*, Upper “part of thighs lighter than 
back. 
a®, Feet rich chestnut ............ Se. Caroli typicus. 
oF pues grizzled greyish. 
*, Eye surrounded with rufous 
PING elo csioa Siecle. iete e alaye an arivarens Se. C. griseicauda. 
lie Ey e “not surrounded with rufous 
1 TEAS Re ea ISON TE Se, atricapillus, 
b?. Upper part of thighs not lighter 
ee back. 
8. Larger, length 275 mm. Lateral 
light stripe pale yellow........ Se. baluensis typicus, 
b°®, Smaller, length 200 mm. Lateral 
bee stripe nearly absent. 
sy leet omzzled ® stta ease tens tk Se. b. suffusus. 
. Feet black ......... avis tie = IOC. SCHLEGEL. 
b. Tate light Btripe: @DSenit sis. .s..%.siei0<» Se. erythromelas. 
