NO. 7 ANTELOPES FROM BRITISH EAST AFRICA HELLER J 



is continuous with the white basal portion of tail, terminal half of 

 tail black ; rump area bordered in front by a bister pygal stripe one- 

 half inch wide ; flanks with a very slight indication of the flank band, 

 a lighter band of light buff bordering the broad band of pinkish-buff 

 above along middle of body; outside of legs pinkish-buff like the 

 sides ; hoofs in front bordered by hair brown. Underparts and inside 

 of legs and lower throat silky white ; top of head and median line of 

 snout cinnamon-rufous, the middle of snout marked by a dark sepia 

 blotch ; greyish hair about horn bases and a blackish area above the 

 eyes ; the sides of face marked by a broad white band above eye 

 extending forward to the dark snout spot, bordered below by an ill- 

 defined narrow dusky cinnamon streak from the eye to the muzzle ; 

 orbital area white with a bister brown supraocular spot extending to 

 horn base ; tip of snout pinkish-buff, the lips and chin white ; fore- 

 throat white like the chin, the midthroat pinkish-cinnamon like the 

 nape ; ears pinkish-cinnamon, bordered at the tip by a narrow border 

 of bister, inside and spot at notch white. 



Measurements. — In the flesh: head and body along curve, 

 1,370 mm.; tail, 245; hindfoot, 448; ear, 158. Skull: condylo-basal 

 length, 254; greatest width, 105 ; nasals, 62 x 28 ; gnathion to nasals, 

 82; gnathion to orbit, 138; premaxillse length, 81 ; gnathion to PM 1 , 

 64 ; length of upper tooth row, 78. Adult ; the premolars showing little 

 wear, the fossettes being still large and deep. Length of horns along 

 curve, 21^4 inches; greatest spread, 6^/4. inches. 



Remarks. — There are in the collection seven male skins from the 

 Northern Guaso Nyiro River and the region south of Marsabit. 

 These show some variation in the intensity of the dark pygal band, 

 but in only one is it completely obsolete. The five skins of females are 

 all marked by a heavy flank band and by wide black pygal stripes. 



KEY TO RACES OF GAZELLA GRANTI 



A 1 Cinnamon of back extending onto tail as a narrow line separating the 

 whole rump patch or else stopping within one inch 

 of base; tail chiefly black only basal l /$ white 



serengetcE. 

 A 2 Cinnamon of back well separated from tail by a broad white rump patch 

 2 or 3 inches wide ; black of tail less extensive, con- 

 fined to terminal one-half. 



B 1 A dark flank band in adult males notata. 



B 2 Flanks without dark band in adult males. 



C 1 A dark pygal stripe bordering the white rump patch in adult males. 

 D * Horns turned outward and widespread, the tips hooked back- 

 ward robertsi. 



