494 



PACHYDEKMATA. 



where the current is not very swift, and are therefore to be found in 

 all the lakes of the interior. 



The Hogs {Sus) have on all their feet two middle toes, which are 



Fig. 420.— avild boak. 



of large size, and armed with strong hoofs, and two exterior toes, 

 wliieh are much shorter, and scarcely touch the ground in walking. 

 Their canine teeth bend upwards, so as to form projecting tusks, 

 and their snout is flattened, and adapted for rooting in the earth. 

 The Rhinoceros (Bhinoceros*). These are large animals, with each 



Fig. 421.- skcll of rhinoceros. 

 foot divided into three toes. The bones of the nose are very thick, and 



* ^Iv, piv6s, rhin, rhinos, a nose ; Kepas, keras, a horn. 



