Adenota koba, Matschie, op. cit. p. 147 (1895).

Cobus thomasi, Neumann,” Sclater, P. Z. S. 1895, p. 868 (Kavirondo); Ward, Horn Meas. (2) p. 128 (1896).

Adenota thomasi, Neumann, P. Z. S. 1896, p. 192.

Cobus kob, Scott Elliot, P. Z. S. 1895, p. 341 (Lake Albert-Edward).

Vernacular Name:—Nsunnu or Nsunu of the Waganda (Speke, Lugard, &c.).

Size about as in C. leucotis, but form thicker and heavier (height at withers of an adult male 35½ inches). General colour rich fulvous. Area round eyes and another round bases of ears whitish; back of ears fulvous, with an indistinct tipping of black; hairs of inner surface of ears white. Muzzle, lips, chin, chest, belly, and inner sides of forearms and thighs white. Front of fore legs from middle of forearms downwards with a strongly defined black line, which broadens at the knees and pasterns; hind legs with a similar black mark, but only reaching up from the hoofs halfway towards the hocks. Remainder of limbs fulvous, an indistinct whitish ring just above the hoof; back of pasterns thickly hairy.

Horns thick and strongly curved, attaining a length of about 17 or 18 inches.

Female similar, but without horns.

Skull measurements (♂):—Basal length 10·4 inches, greatest breadth 4·6, orbit to muzzle 6·3.

Hab. Kavirondo and Uganda.