246 catalogue of ungulates 



2. Subgenus ONOTRAGUS. 

 Onotragus, Gray, Cat. Buminants Brit. Mus. p. 17, 1872. 



Size intermediate between typical Kohus and Adcnota ; 

 coat long and rough, not grizzled ; hair of back normal or 

 re\"ersed; neck not heavily maned; horns comparatively 

 long and slender, sublyrate, with a more or less marked 

 double (sigmoid) flexure ; a single pair of inguinal pouches. 



Distribution east southern and central eastern Africa. 



The members of this group — whether regarded as distinct 

 species, or, as they may ultimately prove to be, local races 

 of the lechwe — appear to present an analogy in the matter 

 of coloration to the local forms of the typical species of the 

 subgenus Adenota ; rufous and foxy coloured forms inhabiting 

 the more open districts, while in the hot, moist region of the 

 swamps of the Sobat the colour changes to black. The 

 transition from the typical rufous lechwe, through Smithe- 

 man's lechwe, to the black Sobat form is, however, so far as 

 present information goes, less nearly complete — both in the 

 matter of colour and horn-shape — than in the members of 

 the kob group, and the various local forms are, therefore, 

 accorded, at least provisionally, specific rank. 



The four representatives of the group — of which the 

 second is provisionally recognised — may be distinguished as 

 follows : — 



A. No white patch in front of withers. 



a. Hair of back not reversed ; general colour 



wholly or mainly fulvous. 



a^. General colour wholly fulvous K. leclie. 



V-. Some black on bases of shoulders and neck K. 7-obertsi. 



b. Hair of back reversed ; general colour of 



back, shoulders, thighs and face more or 



less blackish brown K. smithemani. 



B. A large white patch in front of withers K. maria. 



III. KOBUS (ONOTEAGUS) LECHE. 



Kobus leohe, Gray, Knoivsley Menagerie, p. 23, 1850 ; Turner, Proc. 



Zool. Soc. 1850, p. 174. 

 Adenota leche, Gi-ay, Proc. Zool. Soc. 1850, p. 130, Ann. Mag. Nat. 



Hist. ser. 2, vol. viii, p. 212, 1851 ; Huet, Bull. Soc. Acclim. 



