1892.] OF THE GENUS CEPHALOLOPHUS. 425 



fossae separate it from all other known species, yet it is, I think, a 

 much modified offshoot of the group of which C. dorsalis is typical. 



12. Cephalolophus niger. Gray. 



Oephalophus niger. Gray, Ann. Mag. N. H. (1) xviii. p. 165 

 (1846). 



Cephalophus pluto, Teram. Esq. Zool. Guin. p. 214 (1853). 



Size medium. Colour of body uniform dark smoky brown or 

 black, becoming darker on the rump and limbs ; paler on the throat 

 and chest. Face fulvous, darkening into rich rufous on the crest ; 

 the centre of the forehead sometimes brown or black. Ears black 

 haired externally, rufous internally. Tail black above, but with a 

 whitish terminal tuft. 



Skull long and narrow. Forehead swollen ; anteorbital fossae 

 rather shallow, their bottoms 19 mm. apart ; mesial notch of palate 

 about 6 ram. in advance of lateral ones. 



Horns, S , " straight, rough at their base, smooth and pointed 

 at their extremity, 3-3| inches ( = 80-95 mm.) in length " 

 (Temminck, I. c). 



$ . Short, barely an inch in length, blunt and rounded, not ex- 

 panded basally. 



Dimensions. — $. Approximate height at withers 450 mm.; 

 length of hind foot 210; of ear 71. 



Skull ( 2 ) — basal length (c.) 174 ; greatest breadth 85 ; anterior 

 edge of orbit to gnathion 106 ; nasals, length 72, breadth 34 ; 

 muzzle 66 ; upper molar series 60, 



Hah. Fantee [Aubinn (Brit. Mus.)] ; Gold Coast [Pel (Leyd. 

 Mus., Brit. Mus.), Burton and Cameron (Brit. Mus.)] ; Liberia 

 {Stampfli (Leyd. Mus.)]. 



13. Cephalolophus maxwelli, H. Sm. 



Antilope (^Cephalophus) maxwelli. Ham. Smith, Griff. Cuv. An, 

 K. iv. p. 267 (1827), 



Cephalophus punctulatus, Gray, Ann. Mag. N. H. (1) xviii. 

 p. 167 (1846). 



Antilope frederici,!,^^^^!. Diet. Univ. d'H. N. i. p. 623 (1849). 



Cephalophus whitfieldi. Gray, Knowsley Men. p. 12, pi. xi. fig. 2 

 (1850). 



Size considerably smaller than in the previous species. Colour 

 uniform slaty brown, becoming paler below and on the inner sides 

 of the limbs. Superciliary streaks whitish. Ears small, rounded, 

 behind dark brown. Eump and backs of the haras uniform with 

 body, except that just at the base of the tail on each side, and on 

 the top of the proximal half of the tail itself, the colour is rather 

 darker. Rest of tail above brown, beneath whitish ; limbs externally 

 like body. 



Horns set up at a slight angle above the nasal profile, but not 

 nearly so much as in C. grimmii : — 



(5 . Short (about 50 mm. long), thick at base ; their greatest 

 basal diameter going about 2| times in their length. 



