326 = Dr. J. HE. Gray’s Synopsis of the African Squirrels 
** Back with four black stripes. Fur very soft. Ears covered 
with soft hairs. 
2. Sciurus Isabella, Gray, P. Z.S. 1862, p. 180, t. 24, 
Fur olive-grey, very minutely punctulated; chin, underside, 
and inner side of limbs greyish white: tail black, obscurely pale- 
ringed, tip black; hairs reddish yellow, with a broad subter- 
minal black band and grey tip. 
Hab. Camaroon Mountains (Capt. Burton). B.M. 
3. Macroxvus. 
Gray, Ann. & Mag. Nat. Hist. 1867, xx. pp. 271, 275. 
A. The cutting-teeth broad. Tail elongate, longer than the body 
and head, black-ringed. Underside of body nakedish. Large- 
sized. 
a. Lateral streak none; sides of neck like back. Nos. 1, 2. 
b. Lateral streak white ; sides of neck white. No. 3. 
B. Cutting-teeth compressed, narrow. Underside of the body gene- 
rally well covered with hair. Middle-sized or small. 
a. Body without any pale streaks. 
* Tail black, pale-ringed. Nos. 4-8. 
** Tail dark, punctulated. No. 9. 
*** Tail red, one-coloured. No. 10. 
b. Body with a pale streak on each side. No. 11. 
. Back with a pale streak on each side. No. 12. 
d. Shoulders and fore part of sides with a short pale streak. 
No. 13. 
e. Back with two pale streaks on each side. No. 14. 
ie) 
A, Cutting-teeth large, broad. The underside of the body nakedish, 
the hairs sparse. Tail elongate, much longer than the body 
and head, black-ringed ; hairs long. Large-sized. 
a. Body without any white marginal streak on each side ; sides of 
neck like back. 
1. Macrozus Stangert. 
Sciurus Stangert, Waterh. P. Z. 8. 1842, p. 127; Fraser, Z. T. t. 25. 
Se. caniceps (winter), Temm. Esq. 
Se. eborivorus, Du Chaillu, Boston J. N. H. vii. p. 363; Travels, p. 284, 
t. 41. 
Olive-grey, varied with the long white tips to some of the 
hairs; sides of neck, shoulders, and thighs like back; throat 
and underside of body grey or blackish; the hairs of the back 
black at the base, with a broad grey and then a broad black 
ring and a yellowish tip; tail black, with narrow white rings. 
