422 FOUn FOOTED AMERICANS 



Pouched, or Mole Gopher Geomys bursar/us. 



Length of body, 8^- inches ; tail, 3 inches. 



Gray Pocket Gopher Tbomonys talpoides. 



Length of budy, 7 inches ; tail, '2\ inches. 



Family of Pouched Kats and Mice 

 Heteromyidce 



(NiimbiT of Xortli Anu'iicaii Sjiecies. Thirty to Forty) 



Kangaroo Rat Perodi/jus richardsoni. 



Length of body, 5^- inches; tail, ()| inches. 



Pocket Mouse Perognathus paradoxus. 



Length of body, 4} inches ; tail, •■>! inches. 



JuMPixcr Mouse FA]\riLY 

 Zapodidas 



(Nmiibi-r of North Aiiu'rican Species. Four to Five) 



Ground animuls, with long springy hind legs and five-toed 

 feet. 



Jumping Mouse Zapus hudsonius. 



Length of body, ;3 inches ; tail, o inches. 



PoRcupixE Family 

 Erethizontidae 



(Nuinl.er of Xortli Aiiierieaii Sj.eeies, Two) 



Of chunky build ; legs of even length ; hack covered 

 with stout quills, almost hidden by long hairs ; short, 

 stumpy tail. A vegetable eater. 



Canada Porcupine Erethizon dorsatus. 



Length of body, 2^ feet ; tail, 8| inches. 



PiKA Fa:\iily 

 Ochotonidas 



(Number of Nortli American Species, Two) 



ISTo tail ; short ears ; legs of equal length. 



Pika, Little Chief, or Whistling Hare . . Oohotona princeps. 

 Length of body, 7i inches ; no tail. 



