( 1'8) 



jiniiit is generally much greater. There is also a considerable difterence in the sliajie 

 of the skull, that of D. Iclwel being much longer. 



B. lelwel. 



Distance between the points 

 of the horns : — 

 ? 165 mm. 

 ? 185 „ 



Width at widest spread 

 of horns ; — 



? 230 mm. 



? 200 „ 



Distance from orbit 

 to base of horn : — 



? 95 mm. 

 ? 105 „ 



Basal length of skull : 

 ? 375 mm. 



B. neumaiiiii. 



Distance between the points 

 of the horns : — 



? (type) 255 mm. 



? (Kero) 215 „ 



? (Achmed Aga) 275 mm. 



? ( „ „ ) 215 „ 



? ( „ ,, ) 170 „ 



Width of widest spread 

 of horns : — 



? (tyi)e) 340 mm. 



? (Kero) 310 „ 



? (Achmed Aga) 330 mm. 



? ( „ „ ) 295 „ 



? ( „ „ ) 295 „ 



Distance from orliit 

 to base of horn : — 

 9 (type) 70 mm. 

 ? (Kero) 80 „ 

 ? (Achmed Aga) 85 mm- 

 ? ( „ „ ) 90 ,. 



? ( „ » ) 9" .. 



Basal length of skull ; — 

 ? (type) 300 mm. 



I have given measurements oi females only, because of B. lelwel no male.'s were 

 .available. A series of 7nales will probably show the differences even more strikingly. 



I think this series, if it does not prove the identity of B.jachoni and B. lelwel, 

 at least conclusively shows that my B. netimanni is a good and distinct race, and 

 that Heuglin's B. lelwel {Reise in Nordost-AJrika II. p. 124), is certainly quite 

 different from B. major, busclaphus and ncumanni. I shall make further remarks 

 on this subject in connection with a collection of Abyssinian mammals made by 

 Captain I'owell Cotton. 



