in the Collection of the British Museum. 419 



Sc. Townsendii, Bach. 



Sc. Belcheri, Gray, Ann. & Mag. Nat. Hist. 1842, x. p. 264 ; Zool. Sulph. 



t. 12. Var., S. Suckleyi, Baird, M. N. A. t. 7- 

 Sc. mollipilosus, Aud. & Bach. Q. N A. t. 19. 

 ISc. Fremontii, Aud. & Bach. Q. N A. t. 149. f. 1 ; Baird, M. N. A. 272, t. 6. 



Fur rusty and black mixed, beneath clear bright buff; tail 

 dull chestnut centrally, darker above, then black and margined 

 all round with rusty white ; hairs of the tail black, except at 

 their extremities. 



Hub. California (Douglas, Gray, type in B.M.). Vancouver 

 Island, ? , dark brown (November, J. K. Lord, B.M.). Cascade 

 Mountains (J. K. Lord, B.M.). British Columbia, edge of the 

 Prairie (J. K. Lord, B.M,, young). 



Var. Fremontii. Paler, beneath reddish white ; feet reddish 

 brown, rather larger. 



ISciurus Fremontii, Aud. & Bach. Q. N. A. t. 149. f . 1 ; S. Baird, M. N. 

 A. 272, t. 6. 



Hab. Scott Mountains, Trinity Country, 500 or 600 feet 

 above the sea-level (Brydges). B.M. Called Pine- Squirrel. 



*** Lateral streak none ; bell )j red. 

 6. Sciiirus hyporrhodus. 

 Sciurus cEstuans, Gray, List. Maram. B. M. 



Fur very soft, abundant and long, above reddish olive, mi- 

 nutely punctulated with bay and black; haii's lead-coloured, 

 with short yellow ends and a narrow subterminal black band; 

 side of nose, cheeks, chin, throat, underside of the body, and 

 inner side of the limbs red bay; hair black at the base, with 

 red ends : tail black, indistinctly yellow-ringed, reddish-washed ; 

 hairs yellow, with three black bands, the upper broadest, and a 

 reddish tip. 



Hab. Santa Fe de Bogota. 



Known from all the other South-American squirrels by the 

 softness and length of the hair and hairy ears. 



3. Macroxus. 

 Gray, Ann. & Mag. Nat. Hist. 1867, xx. pp. 271, 275. 



Ears generally have a small tuft of short woolly hairs at the 

 outer hinder part of the base. This is not to be observed in M. 

 eestuans. Soles of the feet generally bald ; but some of the 

 northern species have the soles covered with short hair, except 

 on the long pad on the inner edge, and near and on the pads at 

 the bases of the toes. 



The species may be divided geographically as those found 

 north or south of the Gulf of Panama: the northern species 



