92 Mr. G. Doll man on 



Cephalophus simpsont, sp. n. 



Closely similar in colour to C. nyasce, but considerably 

 smaller, and with the ordinary small short skull of the Blue- 

 bucks generally, instead of the unusually elongated skull of 

 G. nyasce. Median dorsal area dark vandyke-brown, over a 

 breadth of about three inches, passing laterally through 

 " burnt umber " into deep russet on the flanks and limbs. 

 Belly paler russet, its median area whitish, the hairs every- 

 where grey basally. Interramia whitish; throat dull russet. 

 Crown and top of muzzle dark brown, the supraorbital line 

 and cheeks reddish. Limbs, both fore and hind, rufous, in 

 continuation with the flanks, to the feet, a line on the inner 

 side of the forearms and thighs white. 



Skull smaller than in the allied species, of normal propor- 

 tions, not elongated. 



Dimensions of the type : — 



Hind foot (c. u.) 165 mm. 



Skull : greatest length 115 ; basal length 99'5 ; greatest 

 breadth 51'5 ; nasals 39 x 20'5 ; breadth of brain-case 41*5 ; 

 muzzle 36*5 ; palatal length 57 ; length of upper tooth- 

 series 32*5, of molars only 18*3. 



Horns 3Gxl2. 



Hah. Kole, Upper Lukenye R., South Central Congo. 



lype. Adult male. B.M. no. 9. 12. 12. 13. Collected 

 and presented by Mr. E. Torday. 



By its general reddish colour this Duiker is at once 

 separable from C. cequatorialis, Matsch., the other Congo 

 species of the group, while it is distinguishable by its short 

 skull from C. nyasce, which it so closely resembles externally. 



I have had much pleasure in naming it in honour of 

 Mr. M. W. Hilton Simpson, Mr. Torday's companion during 

 his expedition and himself a donor to the National Museum 

 of several interesting mammals. 



X. — Rew African Mammals. 

 By Guy Dollman, B.A. 



(Published by permission of the Trustees of the British Museum.) 



Galago dunni, sp. n. 



Related to O. braccatus albipes, Dollm., but larger and 

 paler in colour in the grey parts. 



Size large ; hands and feet considerably larger than those of 



