CLASSIFICATION OF ANIMALS 



13. Georychus arenarius,'Roheit3. Ann. Trans. Mus.,iv.igi^,p.g6. 



14. Georychus anomalus, Roberts. Ann. Trans. Mus., iv. 191 3, p. 96. 



15. Georychus aberrans, Roberts. Ann. Trans. Mus., iv. 1913, p. 98. 



16. Georychus fretoriee, Roberts. Ann. Trans. Mus., iv. 191 3, p. 98. 



17. Georychus alhus, Roberts. Ann. Trans. Mus., iv. 1913, p. 100. 



18. Georychus mahali, Roberts. Ann. Trans. Mus., iv. 1913, p. 108. 



19. Georychus hohsericeus, Wagn. 



Division : Hystricomorpha 



Family : Pedetidje 



(The Springhare or Springhaas) 



A rodent animal of kangaroo-like shape. Fore limbs short and 



provided with strong claws ; hind limbs disproportionately large 



and with four toes provided with hoof-like nails. 



Cheek teeth virithout roots ; the seven vertebras of the neck 

 separate. Metatarsus elongated ; metatarsal bones are not united 

 together. 



There is only one species and two local races or sub-species in 

 this family. 

 They are confined to the southern portion of Africa. 



South African species 



1. Pedetes coffer typica. Pall. The Springhare. 



2. Pedetes caffer orangia. Wrought. Ann. Mag. Nat. Hist. (7), 



XX. p. 33 (1907). 



3. Pedetes caffer salints. Wrought. Ann. Mag. Nat. Hist. (7), 



XX. p. 33 (1907). 



Family : Octodontid^ 

 {The Cane Rat, Rock Rat, Gundi, Degu, Coypu, etc.) 



Animals more or less rat-like in shape, with feet generally with 

 five toes armed with long curved claws. The mammae are placed 

 high up on the body ; ears short and sparsely haired. Molar teeth 

 with enamel folds on either side ; collar bone complete. 



The animals of this family inhabit Africa, West Indies, Central 

 and South America. 



South African species 



I. Petromys typicus, A. Smith. The Rock Rat. 

 I. Thryonomys szainderenianus, Temm. The Can^ Rat, 



263 



