124 
THE LIVING WORLD. 
the eastern coast of South America, and in the Floridian waters—each locality 
having its own species. 
The Trichechus americanus, or American Manatee, has a gray hide 
with hair scattered over it and of a texture similar to that of the elephant. 
It ranges in length from ten to twenty feet, and does not confine itself to the 
sea, but ascends rivers with the greatest disregard of whether the water, instead 
SKULL OF THE SEA HOUND. SKULL OF THE WALRUS- 
SKULL OF THE DUGONG. 
of being salt, is either merely brackish or wholly pure. The few experiments 
upon trying to make them live in the confinement of the Zoological aquarium 
have been attended by only a short-lived success. 
The Dugong (Halicore dugong) is the Malayan Sirenian, and is found as 
far south as Australia. It is bluish-black in color, and it is captured both for 
its seal-like flesh 
and for its- oil. It 
is found frequent¬ 
ing bays, harbors 
and river mouths 
in the tropics, 
where it is the ob¬ 
ject of persistent 
pursuit. 
The American 
Manatee is the 
species found on the 
eastern coast of 
South America. It 
has a grayish hide 
which resembles 
that of the ele- 
young walrus. phant. In length 
it varies from ten 
to twenty feet. It is found as far north as Florida, and is indifferent as to 
whether the water be salt or fresh. The animal is easily tamed, and there¬ 
fore a favorite in such zoological gardens as contain specimens. 
The Walrus (Trichechus rosmarus) belongs to the seal family, but is distin- 
