ae 
MAMMALIA. 49 
17. Petea. Horns conical, slender, erect. Nose swollen. 
18. ELeoTracus. Horns conical, diverging, bent forward at 
the tip. Nose tapering. 
_B. Body large, rather heavy. Limbs slender, strong. Tail 
elongate, cylindrical at the base, and with longer hair at 
the end, often forming a compressed ridge. Muffle cervine. 
Cervine Antelopes. 
a. Neck not maned. 
19. ApEnNoTA. Horns sublyrate, tip rather recurved. Hair of 
back whorled. 
b. Neck maned on the sides. 
20. Kosus. Horns elongate, sublyrate. 
c. Nape with a linear, central, compressed, recurved mane. 
21. A1cocERus. Horns moderate, recurved. 
22. Oryx. Horns elongate, straight, or slightly recurved. 
d. Neck simple. Throat slightly maned. 
23. Appax. Horns elongate, slender, subspiral. 
c. Body heavy. Legs strong. Hoofs and false hoofs large. 
Tail very short, flat, hairy above. Horns conical, recurved. 
Goat-lhke Antelopes. 
a. Nose cervine. Muffle moderate. Horns short, conical. 
_ 24. CAPRICORNIS. 
b. Nose ovine, hairy. 
_ 25. NemoruHEDusS. Horns short, conical, recurved. Crumen 
a distinct. 
_ 26. Mazama. Horns short, conical, recurved. Crumen none. 
_ 27. Rupicapra. Horns slender, erect, bent forward at the tip. 
28, Antinocapra. Horns compressed, with a process in front, 
conical, and recurved at the tip. 
