Mammalia : Classification 



Til 



Fi<;. 549. African porcupine, Hystrix cristata. (Courtesy, American Museum of 

 Natural History, New York.) 



- ^v\l;/ 



Fig. 550. Capybara, Hydrochoerus capybara. (Courtesy, Vogt and Specht: "Die 



Saugetiere in Wort unci Bild," Munich, F. Bruckmann-Verlag.) 



