1871.] 



DR. J. E. GRAY ON THE BUSH-BUCKS. 



597 



Fur rigid, adpressed, bright yellowish brown ; crown and nape 

 with a broad well-defined black dorsal streak. 



Hab. West Africa : Sierra Leone. 



The young animal described as C. breviceps assumed all the ap- 

 pearance, as it grew older, of C. badius. 



Fig. 5. 



Skull of Cephalophus rufilatus, 



5. Cephalophus rufilatus. 



Cephalophus rufilatus, Gray, Cat. Ungul. B. M. p. 85; Knowsley 

 Menag. t. 6 (7). f. 3, t. 9 & 9 a . 



Fur rather rigid, dark reddish bay ; a dark, broad, reddish streak 

 on the middle of the back ; nose blackish grey. 



Hab. West Africa : Gambia ; Senegal. 



Skull, length 5|; height at occiput 2\ ; length of nasals 1 i ; from 

 orbit to end of maxillary 2|- ; width at zygomatic arch 2\ inches. 



6. Cephalophus dorsalis. (Plate XLV.) 

 Cephalophus dorsalis, Gray, Cat. Ungul. B. M. p. 84. 



Fur rather rigid, adpressed, dark bay ; legs darker ; crown, nape, 

 upper part of shoulders, middle of the back, and tail black, be- 

 neath paler ; fur of head and neck rather elongate. 



Hab. Sierra Leone. 



This appears to be a large species when full-grown, much larger 

 than C. badius, and very different in having long hair round the 

 head and on the neck. 



7. Cephalophus niger. 



Cephalophus niger, Gray, Cat. Ungul. B. M. p. 84 ; Knowsley 

 Menag. t. 7. f. 2. 



