SPECIES Ol MAMMALIA. 



teeth, II ; lower incisors, cut obliquely, and not pointed ; 

 cheek-teeth formed, of two elliptical parts, united at 

 their internal extremity, and separated above by a deep 

 furrow; head short, large, and flat; muzzle obtuse, ter- 

 minated by small nostrils at right angles ; ears long, 

 narrow, pointed; eyes large; no cheek-pouches; large 

 whiskers ; anterior feet with five toes, and long narrow 

 digging nails ; posterior feet with four toes, the external 

 very small, the intermediate of the other three much the 

 longest, the rest being equal, all furnished with thick 

 strong nails ; tail long, thick. An abdominal pouch in the 

 females like that of the Didelphes, but not enclosing the 

 teats. 



630. 1. F. Capensis (Cape Pedetes.) Bright fulvous, 

 varied with black on the upper part; white underneath, 

 with a line of the same colour in the folds of the arms; 

 legs brown; tail thin, reddish above, near the insertion, 

 gray below, and black at the end. 



Yerbua Capensis, Sparman, Acta. Stockholm., 1778, and 

 Travels in Africa. Mus Cafer, Pallas, Glires, 87. Dipus 

 Cafer, Gm. Gerboa Major, Allam. Monog. 1776. .Helamys 

 Marmot, Helamys Cafer, F. Cuvier, Diet, des Sciences 

 Nat. t. 20, 344. 



Cape Jerboa, Fenn. ii. Leaping Hare, Cape Colonists. 



Inhabits the Cape of Good Hope. 



Arctomys. Incisors, #; canines, ^J]; cheek-teeth, f-^ = 

 22. Incisors very strong ; anterior surface rounded ; cheek- 

 teeth, with the upper surface furnished with ridges and 

 tubercles; body thick and heavy ; head large ; eyes large ; 

 ears short ; paws strong, anterior with four toes, and the 

 rudiment of a thumb; the posterior with five toes; nails 

 strong, compressed ; tail generally short. 



M. F. Cuvi€r has divided this genus into two, viz. 



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