(66i) 



Fig. 429. Common brown rat, 

 Rattus. (From photographs.) 



Fig. 430. Lemming, Lemmus. 

 (From a photograph.) 





Fig. 431. Porcupine, Hystrix. 

 (From a photograph.) 



P'ig. 432. Capybara, Hydrochoerus. 

 (From a photograph.) 



Fig. 433. Vizcacha, Lagostomus. 

 (From a photograph.) 



/< r 



Fig. 434. Agouti, Dasyprocta. (From life.) 



