4 i g ' ' : ANTELOPES i4t but they vary so much in size and character from the big ox-like elands to the hare-like royal antelopes little more than a foot high, that itis not easy to frame a definition to embrace themall. As a rule, however, the bony centre of their horns is solid and not cellular. Some of the larger antelopes in their molar teeth show resemblance to the oxen, while the gazelles more nearly approach the sheep. The antelopes are mostly African, there being about a hundred species in the dark continent; a few are Asiatic. There is only one antelope in America, but, as we have seen, HEAD OF GEMSBOK he differs so much from the rest that he has a family all to himself. One of the handsomest of the antelopes is the kudu (Strepstceros kudu), with long corkscrew horns and striped body. The harnessed antelopes, 7rag- elaphus, form another striking genus. Among the other large antelopes may be mentioned the addax, with lyre-shaped horns, ; the gemsbok, Oryx gazella, with long straight horns; the beisa, O. dezsa, with horns of much the same character ; the sabre-horn, O. leucoryx ; the sable or black antelope, which is really chestnut-