Fig. 2. Ogilby’s Duiker.
CEPHALOPHUS OGILBYI.
Published by R. H. Porter.
24. THE BLACK-FRONTED DUIKER.
CEPHALOPHUS NIGRIFRONS, Gray.
[PLATE XVIII. Fig. 1.]
Cephalophus nigrifrons, Gray, P. Z. S. 1871, p. 578, fig. 6 (skull), pl. xlvi. (animal); id. Cat. Rum. B. M. p. 27 (1872); id. Hand-l. Rum. B. M. p. 96 (1873); Peters, MB. Ak. Berl. 1876, p. 482 (Cameroons); Scl. List Anim. Z. S. (8) p. 147 (1883); Thos. P. Z. S. 1892, p. 419; Lyd. Horns and Hoofs, p. 210 (1893).
Cephalophus aureus, Gray, Ann. Mag. N. H. (4) xii. p. 42 (1873) (jr.); id. Hand-l. Rum. B. M. p. 95 (1873).
Vernacular Name:—Ngolo in the Cameroons (Buchholz).
Size medium. Colour of body rich chestnut, scarcely or not at all paler below. Centre of face and crest deep black, contrasting markedly with the rufous superciliary streaks. Nape browner. Feet and tip of tail blackish, a few white hairs in the terminal tuft of the latter. Hoofs apparently longer in proportion than usual; lower edge of the posterior outer hoof 1·57 inch in length.
Horns, judging only from the cores, decidedly short, and but little expanded at their base; the cores in an adult male about 1·9 inch long. Their set parallel to, and a little below, the level of the nasal profile.
Skull with the frontal region decidedly convex. Muzzle rather narrow and elongated. Anteorbital fossæ of medium depth. Median posterior palatine notch some distance (⅓ inch in type) in front of the level of the lateral notches.