CETACEA. 259 



Their entire bodies are very regularly striped with alter- 

 nate white and black or brown bands. They are found 

 in South Africa, as is also the quagga, which resembles 

 the ass still more closely than does the zebra. 



The tapir has a long, pointed head, the nose being 

 elongated into a sort of trunk. It is a semi-aquatic 

 animal, of peaceful disposition, living in herds in India 

 and South America. 



The rhinoceros is heavy and compact in form, the 

 body being covered with an almost impenetrable skin, 

 which forms folds having the appearance of jointed 

 armor. They possess enormous force, and are brutal 

 and fierce without intelligence. They are herbivorous. 

 There are several species found in Asia and Africa, some 

 having two horns, some only one. 



CHAPTER XXVH. 

 Cetacea and Sirenia. 



THE cetacea are classified in two suborders, the odon- 

 toceti, or toothed whales, including the dolphins, por- 

 poises, and cachalots, and the mystacoceti, which have 

 no teeth in the adult state, but whose palates are pro- 

 vided with plates of whalebone. Both are carnivorous. 



Odontoceti. Dolphins are very carnivorous ; they fol- 

 low, in large schools, transatlantic steamers, devouring 

 the fish that are attracted by the debris continually 

 thrown overboard. They may attain a length of ten 

 feet. 



The porpoise has a shorter snout than the dolphin, and 



