GROUP OF SEALS: 
PHOCID®, OR SEALS. 
We now arrive at a very wonderful series of animals, which, although they breathe 
atmospheric air like other mammalia, are yet almost entirely aquatic in their habits, 
and are never seen except in the water or its immediate vicinity. The first fimily of 
these aquatic mammalia is that which is formed of the animals which are popularly 
known by the name of SEALS. 
