NATURAL HISTORY OF SOUTH AFRICA 



PAGE 



2. Potamochcerus choeropotamus nyasee, Maj. Nyassa Pig or 



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



3. Phacochoerus tethtopicus, 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 : Equid^ 



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



2. Equus zebra, Linn. Mountain Zebra . 



3. Equus burchelli burchelli. Gray. Burchell's Zebra 



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



(sub-species) ..... 



5. Equus burchelli transvaalensis, Ewart. Burchell's 



(sub-species) ..... 



6. Equus burchelli wahlbergi, Pocock. Burchell's 



(sub-species) ..... 



7. Equus burchelli chapmani, Layard. Burchell's 



(sub-species) ..... 



8. Equus burchelli selousi, Pocock. Burchell's 



(sub-species) ..... 



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



(sub-species) 



Family : Rhinocerotid^ 



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



oceros ......... 



2. Rhinoceros bicornis, Linn. Black Rhinoceros 



207 

 213 



Sub-order : Hyracoidea 



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

 numerous dorsplurubar vertebrae and zonary placenta. 



viii 



