48 MAMMALIA. 



** Nose conical, tapering. Horns black. 



2. PANTHOLOPS. Horns elongate,, compressed, sublyrate. Nose 



of male with a dilatation on each side ; nose-hole large. 



3. PROCAPRA. Horns moderate, lyrate. Females hornless. Cru- 



men none. Nose-hole large. 



4. GAZELLA. Horns moderate, lyrate. Females horned. Cru- 



men distinct. 



5. TRAGOPS. Horns moderate, lyrate. Females horned. Cru- 



men none. Back simple. 



6. ANTIDORCAS. Horns moderate, lyrate. Females horned. 



Crumen small. Back with expansile white streak. 



7. ./EPYCEROS. Horns elongate, wide, spreading, lyrate. Pas- 



tern with tuft of black hair. 



8. ANTILOPE. Horns elongate, erect, subspiral. Crumen large. 



b. Horns small, slender, straight, conical. 

 t Crumen large. Muffle generally large. 



9. TETRACERUS. Horns 2 pair. Muffle large. Crumen lon- 



gitudinal. Females hornless. 



10. CALLOTRAGUS. Horns 2, subulate. Muffle large. Crumen 



arched. Hoofs triangular ; knees not tufted. 



11. SCOPOPHORUS. Horns 2, subulate. Muffle large. Crumen 



transverse. Knees largely tufted. 



12. OREOTRAGUS. Horns 2, subulate. Muffle large. Crumen 



transverse. Hoofs square, high, contracted. 



13. NESOTRAGUS. Horns 2, subulate. Muffle large. Crumen 



large. Tail very short. 



ft Crumen large. Nose ovine. Muffle none. 



14. NEOTRAGUS. Crown crested. 



tft Crumen a glandular line on side of face. Muffle large. 



15. CEPHALOPHUS. Crown crested. 



tttt Crumen none. Muffle large. Crown not crested. 



16. NANOTRAGUS. Horns very short, erect. Nose tapering. 



