138 
MAMMALIA. 
Antilope furcifer .— The Prong-Horned Antelope* 
Plate XXIV. fig. 4. 
Fur rufous-brown above, white below ; neck with a red mane; 
horns one foot long, compressed, flat interiorly and striated ; 
with a flattened snag to the front, forking with the after part, 
which forms a hook to the rear; eyes large, high in the head. 
About three feet high at the shoulder. Inhabits the United 
States. 
Genus 7. — Capra. — Linnaus. 
Generic Character .—Incisors [j, no canines, grinders 6-fj; total 
32. Horns common to both sexes ; they rise perpendicularly, 
and are then directed backwards, more or less angular and no¬ 
dose ; no muzzle; interval between the nostrils naked ; without 
lachrymal sinus, or inguinal pores ; ears erect, pointed; legs 
strong ; tail short; chin with a beard. 
Capra ibex. — The Ibex. 
Plate XXXII. fig. 4. 
Plair reddish-brown in summer, and gray in winter; beard 
short, dark brown; dorsal line blackish brown ; horns thirty 
inches long, dark brown, depressed, with two longitudinal ridges 
at the sides, crossed by numerous transverse knotty annulations. 
Five feet long. Inhabits the Alps and Pyrenees. 
Capra cegagrus. — The Goat. 
Plate XXXII. fig. 5. 
Hair long, brown, or gray, varying with the seasons; horns 
forming an acute angle to the front, rounded at the back, trans¬ 
versely ribbed, forming an undulating anterior edge. About 
three feet long. Inhabits the mountains of Persia. Subject 
to great variety, from climate and other local circnmstances. 
