NATURAL HISTORY OF SOUTH AFRICA 



PAGE 



2. Potamochaerus chaeropotamus nyasee, Maj. Nyassa Pig or 



Bosch Vark. P.Z.S., 1897, p. 367 . . . .167 



3. Phacochcerus atbiopicus, Pall. Wart Hog or Vlackte 



Vark ' 172 



Sub-order : Perissodactyla 



A sub-order of ungulate animals with the digits unpaired and 

 the third largest, the intermaxillary bones tectiform, and caecum 

 enlarged, 



Family : EQUIDJE 



1. Equus quagga, Gmel. The Quagga (Extinct) . .178 



2. Equus zebra, Linn. Mountain Zebra . . . .181 



3. Equus burchelli burchelli, Gray. BurchelPs Zebra. . 189 



4. Equus burchelli antiquorum, H. Smith. Burchell's Zebra 



(sub-species) 195 



5. Equus burchelli transvaalensis, Ewart. Burchell's Zebra 



(sub-species) 195 



6. Equus burcbelli wahlbergi, Pocock. Burchell's Zebra 



(sub-species) 195 



7. Equus burcbelli chapmani, Layard. Burchell's Zebra 



(sub-species) 195 



8. Equus burchelli selousi, Pocock. Burchell's Zebra 



(sub-species) 195 



9. Equus burchelli crawshayi, de Wint. Burchell's Zebra 



(sub-species) 195 



Family : RHINOCEROTID^: 



1. Rhinoceros simus, Burch. White or Square-lipped Rhin- 



oceros ......... 207 



2. Rhinoceros bicornis, Linn. Black Rhinoceros . .213 



Sub-order : Hyracoidea 



A sub-order of ungulate animals with rodent upper incisors, 

 numerous dorsolumbar vertebrae and zonary placenta, 



