OREOTKAGIX^ 131 



marked bending-down of the margin of the lachrymal bone, 

 which consequently has a distinct lateral surface in place of 

 a sharp edge, and also shows only a comparatively small 

 portion of its whole extent in a front view of the skull, 



12. 5. 3. 1. Skull, with horns. Duchi n'Wai Eange, 

 Zaria, Northern Nigeria. Type. 



Presented ly Dr. E. J. Forteous, 1911. 



Subfamily viii.— NEOTRAGINiE. 



Eelatively small antelopes, with well-developed slender 

 tails of moderate length, and a large bare muiSe extend- 

 ing nearly as far back as hind angles of nostrils. 

 Face-glands, when present, in the form of a valvular 

 invagination, with their circular orifices approximated to 

 the eyes; web of pasterns folded back on itself to form 

 posterior wall of an interdigital cleft ; other characters of this 

 part as in Oreotraginm ; hoofs normal; inguinal glands 

 apparently jDresent. Teats two* or four.f Lateral hoofs 

 present or absent. Horns absent in females, except abnor- 

 mally ; those of males in the form of short simple spikes, 

 more or less annulated at base ; skull more or less elongated, 

 with large lachrymal depressions and small lachrymal slits ; 

 frontals much the same as in Oreotragincc, as are also the 

 upper molars. 



The distributional area includes the greater portion of 

 Ethiopian Africa. The following is a key to the genera 

 included in the subfamily : — 



A. A bare patch below ear ., Ourebia. 



B. No bare patch below ear. 



u,. Horns vertical ; lateral hoofs present or absent... Bajthicerus. 

 b. Homs inclining backwards in or near frontal 



plane; lateral hoofs wanting Neotragus. 



* W. L. Sclater, Fauna 8. Africa, Mamm. vol. i, p. 174, 

 Haphicerus. 



t Pooock, Proc. Zool. Soc. 1910, p. 882, Ourebia. 



K 2 



