Horns half or more the basal length of the skull, strongly slanted back almost to the continuation line of the facial profile; strongly, but finely, closely ridged for their basal half or three-fourths.

Distribution. East Africa.

To this genus there belong two closely allied species, which may be distinguished as follows:—

a. Horns small and slender.Colour fawn-grey.Tip of tail like back.49. N. moschatus.
b. Horns longer and thicker.Colour more rufous.Tail blackish above.50. N. livingstonianus.

THE BOOK OF ANTELOPES, PL. XXVIII.

Wolf del. Smit lith.

Hanhart imp.

The Zanzibar Antelope.

NESOTRAGUS MOSCHATUS.