Mr. G. Bhiine on the Recdbucks. 289 



grcy-browii body-coloration and in the lioins being similarly 

 flexed and having soft, swollen, spongy bases, which are not 

 {iiesent ia fully adult C. lohor ; but it was smaller and the 

 liorns were relatively siiorter than in the fonner species. At 

 Lake Uikwa, which lies to the east ot" the southern end of 

 Jjake Tanganyika in German East Africa, I have shot reed- 

 buck of the bohor type, a specimen of which is in my 

 collection. 



From these observations it is evident that the ranges of 

 C. arundinum and of G. bohor overlap. 



In the following key the hgures given are to bo taken as 

 average measurements in millimetres of adult male specimens. 



Key to the Reedbucks. 

 Skulls. 



A. Size generally greater, narrower compara- 

 tively across the orbits, -nith the rostrum 

 longer ; orbits smaller ; horns longer 

 and more hooked forwards at ends. 



a. Size greater, length 290 ; rostrum 



longest, length 164 ; teeth largest, 

 upper dental series 70 ; horns longest 

 and less abruptly hooked at ends .... C. arundinum (including 



b. Size smaller; rostruur shorter; teeth [C thomasince). 



smaller ; horns shorter and stouter in 



proportion and abruptly hooked at 



ends. 



a*. Size smallest, length 225 ; teeth 



smallest, upper dental series 54 ; 



horns shoitest, ends hooked strongly 



forwards and inwards C. I'edunca. 



l^. Size larger ; teeth larger ; horns 

 longer, 

 a^. Less massive and shallower verti- 

 cally, length 255 ; upper dental 

 series 03 ; horns thinner, longer, 

 and more divergent from their 



bases outwards C. bohor cottoni, 



b^. More massive and deeper vertically ; 

 horns shorter and stouter. 

 rt'. Shortei-, length 240 ; upper den- 

 tal series .58 ; horns shorter , , C. bohor ugandce. 

 i*. Longer ; horns longer. 

 a\ Length 255 ; upper dental 

 series 62 ; general axis of 

 horns rising above level of 



frontal plane C. bohor and C. bohor 



6'. Length 256 ; upper dental \_wardi. 



series 63 ; horns slightly 

 lyrate, with their general 

 axis depressed below level of 

 frontal plane C. bohor nigeriensis. 



Ann. t& Mag. N. Hist. Ser. 8. Vol. xi. 20 



