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Show 1892.] OF THE GENUS CEPHALOLOPHUS. 425 fossae separate it from all other known species, yet it is, I think, much modified offshoot of the group of which C. dorsalis is typical. 12. CEPHALOLOPHUS NIGER, Gray. Cephalophus niger, Gray, Ann. Mag. N. H. (1) xviii. p. 165 (1846). Cephalophus pluto, Temm. 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 m m . apart; mesial notch of palate about 6 m m . in advance of lateral ones. Horns, 3, " straight, rough at their base, smooth and pointed at their extremity, 3-3| inches ( = 80-95 mm.) in length " (Temminck, /. c). $ • Short, barely an inch in length, blunt and rounded, not expanded basally. Dimensions.- $ . Approximate height at withers 450 mm. ; length of hind foot 210; of ear 71. Skull ( $>)-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. Hab. Fantee [Aubinn (Brit. Mus.)]; Gold Coast [Pel (Leyd. Mus., Brit. Mus.), Burton and Cameron (Brit. Mus.)] ; Liberia (Stampfii (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, Laurill. Diet. Univ. d'H. N. i. p. 623 (1849). Cephalophus whitfieldi, Gray, Knowsley Men. p. 12, pi. xi. fig. 2 (1850). Size considerably smaller thau 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. Rump and backs of the hams 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:- S. Short (about 50 mm. long), thick at base ; their greatest basal diameter going about 2 | times in their length. |