WILD ANIMALS OF THE EASTERN SUDAN 53 



Settit if I had trusted more to tracking and less to 

 sitting over water. However, their senses of smell, 

 sight, and hearing are extraordinarily acute, and I 

 believe that when once a good koodoo is alarmed he 

 abandons the neighbourhood entirely. The horns of 

 a good bull should make two complete turns and a 

 half, and nothing short of this should be fired at unless 

 the sportsman is nearing the end of his tether ; and 

 when all is said and done, luck enters more largely 

 into the matter of securing a good bull than any 

 amount of hard work and perseverance. 



The roan antelope is common on the Settit from 

 the neighbourhood of Hagar ul Zuruk, and is said 

 to be equally common on the Atbara, in the un- 

 inhabited country between Sofi and Gallabat. It 

 does not exist on the Rahad, but reappears on the 

 Galegu. I saw no specimens on the Dinder below the 

 Galegu junction, but their tracks were numerous, 

 and they were also fairly common on the Blue Nile 

 above Suleil. The roan only drinks about twice a 

 week, and travels a long distance from water. 

 However, they are most regular in their habits, and a 

 shot is a certainty if a regular drinking-place is 

 watched for three or four consecutive days. The 

 usual hour appeared to me to be 11 a.m., and often 

 herds of twenty and thirty came down together. 

 It is by no means easy to distinguish the sexes, but 

 the horns of the females are smaller and thinner, and 



