368 THE WORLD OF THE SEA. 
and marshes to the sea, and are usually found in flocks near the 
mouth of a river; they always make their nests on the bank. 
The Sw7mmers, such as the penguins, who never are found but 
close to the shore; they are not able to fly, save for short distances. 
“Yj 
THE ALBATROSS. 
(Dromedea exulans. 
The Gulls, or the Larid@, are the best known of the sea-birds. 
Their general appearance is almost too well known to need 
description ; their bodies are white, touched here and there with 
lavender, while their wings and tails are sometimes tipped with 
