OCR Text |
Show 1893.] FROM BRITISH CENTRAL AFRICA, 727 which are lyrate in shape and bend forward at the apex. These tour species are as follows:- 1. G. ellipsiprymnus1, which extends from South Africa up the Eastern coast to Somaliland and the While Nile, and may be at once recognized by the elliptical white ring on the rump near the base of the tail. 2. C. crawshayi, similar to the preceding, but of a much darker brown, and without the ring on the rump. At present known only from Lake Mweru. 3. G. defassa.-This is the Antilope defasset (Ruepp. Neue Wir- Skull and horns of Cobus crawshayi. belth. Siiug. p. 9, t. iii.), so-called from its Abyssinian vernacular name " Defassa," which must therefore not be altered into defassus as has been attempted by some authors. Herr Matschie (Sitzungsb. Ges. naturf. Freund. Berlin, 1892, p. 134) has lately pointed out the differences between this Abyssinian form and the next, nearly allied, West-African species. There are fine mounted specimens of this Antelope in the gallery of the British Museum. 4. G. unctuosus.--The allied West-African form, of which we frequently have examples living in the Society's Gardens and at the present time have a single female specimen, has been generally 1 See P. Z. S. 1893, p. 505, pi. xxxix., for remarks on this species breeding in our Gardens. PROC. ZOOL. Soc-1893, No. XLIX. 49 |