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DEFASSA WATERBUCK 193 
Skull and Horns of Defassa Waterbuck. 
The DEFASSA or SING-SING WATERBUCK (Cobus defassa). 
Defassa, Abyssinian. Tambiir, Dinka. 
Giritmes, Galla. Katambou, Sudani. 
Nsama, Waganda. Kuru, Swahili. 
Distinguished from the typical waterbuck by the general presence 
of a large white patch on the lower part of the buttocks, instead of a 
white elliptical ring extending higher up. Several local races of this 
species have been named. First, the West African or sing - sing 
(C. d. unctuosus), of Senegal, Nigeria, etc., characterised by its rufous 
colour and the small amount of white in the region of the eye. Second, 
Crawshay’s defassa (C. a. crawshayz), from British Central Africa, with a 
dusky coloration and shorter horns. Third, the Angola defassa (C. d. 
O 
