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Show 1881.] MR. F. C. SELOUS ON AFRICAN ANTELOPES. 753 On the Limpopo the adult rams are of a brownish grey, often without a sign of any spots, and the adult females of a dark red with a few white spots. The hair of the rams is longer than in the Colony. The young rams, however, are of a red colour and a good deal spotted, with a few faint transverse stripes ; the young females are also more spotted than the old ones. This is the Bushbuck which Gordon dimming considered to be a new and undescribed species and named the *' Antelopus roualeynei," or " Bushbuck of the Limpopo." These Bushbucks are smaller than those found in the Cape Colony. If we now take the Bushbucks found on the tributaries of the Zambesi to the east of the Victoria Fails, the adult rams are in colour like the young rams found on the Limpopo, being of a dark red, thickly spotted on the haunches, shoulders, and sides with small white spots, with three or four faint white stripes down each side. The adult females are of a pale yellowish red, beautifully spotted, and also show a few faint white stripes. If we now take the Bushbucks found on the banks of the Chobe, we find that the adult male is of a very dark red colour, in places merging into a deep brownish black, most beautifully spotted with large white spots, there being as many as fifty on each side in some individuals, and in some cases as many as eight well-defined white stripes besides. There is also a mane of white hair running all down the back from the shoulder to the tail about 3 inches in length, which the animal can erect at pleasure. The young ram is of a pale reddish yellow, with the spots and stripes much more faintly marked than in the adult animal. The adult female is of a rich dark red, beautifully spotted with white, and with three or four faint white stripes on each side. There is also a deep-black line running all down the back. The young female is of a lighter red and not so much spotted. It will thus be seen that whereas in the Cape Colony and on the Limpopo the young Bushbucks are more spotted than the adult animals, and gradually lose their markings as they become older, this order of things is exactly reversed on the Chobe and on the tributaries of the Zambesi, where the adult animals are far more beautifully marked than those that have not come to maturity. In the Cape Colony the average length of Bushbuck horns is about a foot; but they often attain a length of 14 in., and I know of one pair measuring 165 in. in length. On the Limpopo, Zambesi, and Chobe it is very rare to get a pair of Bushbuck horns exceeding a foot in length. 4. TRAGELAPHUS SPEKII. {Nakong of the Batauwani at Lake Ngami; Situtunga, Puvula, Unzuzu, of the tribes on the Chobe and Central Zambesi; N'zoe of the natives of the Lukanga river, north of the Zambesi.) This Antelope is only met with in the extensive swamps which exist in some parts of the interior of Africa. In the reed-beds of the Mababe, Tamalakan, and Machabe rivers it is to be found; and in the vast marshes through which the Chobe runs it must exist in considerable numbers, although, as it only emerges from the dense |