Mammalia. 185 



compressed •, angular, or sub-angular ; animals in general of a 

 light structure, calculated for springing or for svvifmess ; ears 

 erect, funnel-shaped ; pupils oblong ; no canines in the mouth ; 

 vertebrjE of the tail never descending below the hough ; stature 

 very various. 



Genus Antilope.* 



Incisors %, carAnesH, molars %'l, — 32. Horns common to 

 both sexes, or in the males only ; bony core solid, without sinus 

 or ports, round, or compressed, generally standing beneath the 

 frontal crest, variously mjiected, mostly distinguished by annuli, 

 with longitudinal slrice between them; sometimes pearled and 

 forked; the chaffron rather straight, with a muzzle, half muz- 

 zle, or simple nostrils ; lachrymary sinus in most, aud in some 

 a suborbital pouch; eyes large, dark; ears in general long, 

 pointed; inguinal pores ; a gall-bladder. 



Sub-genus Aigocerus. — Horns very large, common to both 

 sexes, j^ointed, simply bent back, armulated, placed above the 

 orbits. Half muzzle; no suborbital sinus ; no inguinal pores ; 

 tail descending to the houghs; mane reversed; a white mark 

 before the eyes; throat and under-jaw somewhat bearded; 

 mammce two ; stature large; shoulders higher than the croup. 



Aigocerus Leucophcea. (Blue Antelope.) Four feet high at 

 the shoulder ; horns slig-htly compressed, scimitar-shaped, about 

 twenty-eight inches long, closely annulated, with twenty to 

 thirty rings ; no striae ; ears long ; colour silvery blue-grey ; 

 spot before the eyes, belly and inside of the limbs, white ; 

 short white mane turning towards the head ; hide black ; tail 

 tufted at the end ; appearance of beard on the under-jaw. 



Inhabits South Africa, — rare. 



Antilope Leucophaea, Auctor. Tzeiran, Buffon. Blaauw 

 Bok of the Cape Colonists. 



Aigocerus Equina. (Roan Antelope.) Four feet four inches 

 at the shoulder ; horns very robust, about twenty-four inches 

 long, strongly bent back, with seventeen to twenty-seven pro- 

 minent rings, more remote from the orbits ; ears nine inches 

 long ; hair coarse, undulating, loose, mixed red and white ; be- 

 neath the throat longer, whiter ; white spot round and before 

 the eye, formed of a pencil of long hairs ; neck with a short 

 white reversed mane. 



Inhabits South Africa, — on the elevated ridge near the 

 sources of the Guriep, &c. 



Antilope Equina. Antilope Ozanne, Geoff. Cuv. A. Aurita, 

 Burchell. 



* When the numerous animals which arc included in this genus shall 

 have been more correctly studied in their natural habitats, the classification 

 which ii at present in use, will doubtless require to be materially altered, 



A a 



