352 CATALOGUE OF UNGULATES 



The range includes Southern, Central, and Eastern Africa 

 as far north as Kenia, British East Africa. 



Fig. 52.— Skull of Southern Bush-Pig 



{Potamoclioirus cheer opotamus). 

 From Gray, Hand-List of Thick-skinned Mammals. 



The following is a provisional " key " to the species : — 



A. Eyes not ringed with black. 



a. Parietal region of skull broad (39 to 44 mm. 

 or more). 



a' . Muzzle with a black ring P. c. char opotamus. 



V . Muzzle wholly black P. c. jolinstoni. 



h. Parietal region of medium width (24 to 



26 mm.) P. c. maschona. 



c. Parietal region very narrow (15 to 18 mm.), 

 c'. Colour very dark, largely black, black 



and rufous when immature P. c. dctmonls. 



d'. Colour less dark, mingled black and 



rufous, mainly rufous when immature... P. c, nyasce. 



B. Eyes with black rings P. c. Jienia'. 



A.— PotamochcBPUs choeropotamus choBropotamus. 



Sus choeropotamus typicus, Lydehker, Great and Small Game of 

 Africa, p. 52.3, 1899. 



Typical locality South (?) Africa. 



Colour variable, hut very generally dark grey ; parietal 

 region of skull relatively broad, the width in adults reaching 

 as much as 42 or even 47 mm, 



38. 4. 16. 81 (715, a). Skull, female. Damaraland ; 



