African Antelopes of the Waterhuck Group. 497 



A very large form of tlie "grass-antelope/* characterized 

 by tlie pale colour of the " iiitermediale " zone * of the flanks 

 and the unusually strong liorns. 



Colour of " mantle" tulvous (bistre, R^p.), darker (no. 3) 

 posteriorly, lighter on the shoulders and neck (no. 1) and 

 face (no. 2). "Intermediate" zone yellowish buff (maize- 

 yellow no. 2, Kep.), darkening on the thighs (no. 4). Limbs 

 like neck (bistre no. 1). Muzzle, lips, an indistinct ring 

 round eye, chin, chest, belly, and inner side of forearms and 

 thighs wliite. Front of fore legs from below shoulders with 

 a sliarply defined brownish-black band ; hind legs with a 

 similar brownish-black band, but only reaching up from the 

 hoofs halfway towards the hocks. A rather broad band 

 round hoofs and very narrow ones round false hoofs yellowish 

 to fulvous white. Tail above like back, below white, tip 

 black. Back of ears pale yellowish fulvous, with short 

 blackish tip and a large white patch at base. 



l^kull. Much larger than in A. k. koh, and comparatively 

 narrower, liorns of the same general shape, but more curved 

 in the basal portion and with longer tips. 



Dimensions of type skull. Basal length 281mm.; upjjcr 

 lengtii 312; palatal length 162 ; palatal width inside m^ 39; 

 postorbital width 113, zj'gomatic width 104 ; mastoid width 

 98; nasals, length 121, greatest breadth 25; breadth of 

 rostrum across preraaxillse 43*5; length of upper tooth-row 

 (alv.) 74 ; horns, length along curve 530, greatest diameter 

 at base 63*7. 



Adenota koh baJir-keetce^ subsp. n». 



Type locality. Bahr Keeta, N.E, of Fort Aichambault, 

 Upper Shari district. 



Type. Adult cJ . Senckenberg Museum, Frankfurt-a.-M. 

 Journal nos. 158 (skin), 204 (skull). Original no. 143. 

 Collected in February 1911 by Dr. H. Schubotz. 



Distinguished from A. k. adoLfi-fiiderici by its somewhat 

 smaller size, darker " intermediate " zone, and weaker some- 

 what deflected horns. 



Colour of ''mantle" deep fulvous (brownish terra-cotta, 

 Eep.), darker (between nos. 2-3) posteriorly, lighter on 

 shoulders, neck, and face (no. 1). " Intermediate " zone light 

 fulvous (near pitchpin no. 2, but duller, perhaps with a 

 slight admixture of chamois), darkening on the thighs (buff 

 no. 1). Black markings and distribution of white exactly as 



* The dark colour of the back, here spoken of as the "mantle," is 

 margined by a paler " intermediate " zone, which separates it from the 

 white of the belly. 



