CETACEA. 



489 



Sirens, and more modern tales of mermaids and 

 similar monsters. Their nostrils open at the ex- 

 tremity of their muzzle. 



The Sea-cows {Manatus*) have a long Whale-like body, termi- 

 nated by an oblong, oval fin. Vestiges of claws may be discovered 

 on the edges of their fin-like paws, indicating the tips of so many 

 fingers, so that they can use their limbs with tolerable dexterity 



Fig. 416.— manatee. 



in creeping upon the ground, and in carrying theii* little ones ; 

 these fins have been compared to hands, and hence is derived the 

 name by which they are distinguished. They inhabit the warm 

 regions of the Atlantic Ocean, near the mouths of rivers, which they 

 sometimes ascend to a considerable distance. They live in flocks, 

 often land, and are readily approached. They display the greatest 

 attachment to their companions. The Manati are sometimes fifteen 

 or even twenty feet in length ; their flesh is eaten and esteemed a 

 luxury. 



The Dngongs (Halicore t) differ from the Manati by having their 

 tail-fin shaped hke a crescent, and pointed tusks that protrude 

 from the upjx^r jaw. They inhabit the shores of the Indian Ocean. 



* From manus, a hand— furnished with hands. 

 + aAs, hals, the sea ; Kopf], core, a maiden. 



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