Races of African Uiujulates. 37 



lica\ V black stripe above. Thighs much like back, hind legs 

 from hocks very light yellowish (about maize-yellow no. 1, 

 Rep.), and with a black patch and ring just above hoofs. 

 Fore legs simihir in colour to hind legs, but less speckled 

 above wrists. The usual black band present only in some 

 specimens, where it sometimes extends almost to below 

 shoulders; in the type-specimen it is entirely absent, only 

 the black patch and ring above hoofs are developed. 



Skull. Ijarger than S, ff. abi/ss hi ica, \>ith more projecting 

 orbits and larger bulhe. 



Dimensions of an adult male skull (no. G37). Greatest 

 length 168 mm.; basal length 142; palatal length 80; 

 zygomatic width 74; postorl)ital width 72 2 ; occipital 

 width 493 : muzzle to orbit 83'5 ; nasals 53*3 x 32 ; length 

 of upper tooth-row (alv.) 46 ; breadth 'of bulla at anterior 

 margin of auditory meatus l4"6. 



Tliis duiker difters from all its allies by its pale colour ; 

 from its eastern representatives, S. g. abijssinicus and -S'. g. 

 roosevelti, it is also distingiushed by its superior size. 



Ourebia ourehi dorcas, subsp. n. 



Type locality. Bahr Kecta, N.E. of Ft. Archambault, 

 Upper Shari district. 



Type. Adult S • Senckenberg Museum, Frankfurt-a.-]M, 

 Journal nos. 316 (skin), 322 (.skull). Collected in February 

 1911 by Dr. H. Schubotz. 



Nearly allied to 0. ourebi montana from Abyssinia, but 

 distinguished by its smaller size and richer colour. 



Upperside dull orange-fawn (hazel no.4,' Rep. deCouleurs^), 

 lighter on the sides and neck ; thighs decidedly paler (no. 1 ) ; 

 the colour of the thighs is continued down the anterior and 

 posterior side of the hind legs, whereas the sides are very 

 pale buffy ; fore legs like thighs. Above the hoofs the legs 

 are pale buffy. Forehead and middle portion of face like 

 back, cheeks decidedly paler (hazel no. 1). Above the eyes 

 the usual white streak and on the vertex a distinct dark 

 brown patch, which is less conspicuous in the type-specimen. 

 Back of ears pale fawn, with a large blackish patch ; inside 

 of ears with long white hairs. Underside of body yellowish 

 white. Tail above somewhat darker than back; below white 

 at base, deep rusty at tip, and with some black hairs in one 

 specimen. 



Skull. Much as in 0. o. montana, but smaller, with narrower 

 brain-case, narrower bulhe, and much deeper iiyoidal pits. 



Dimensions of type skull. Greatest length l"!*.") mm.; 



