276 



A COURSE ON ZOOLOGY. 



stormy petrel as an omen of storm, for they are seldom 

 seen unless disturbed by high seas. 



Steganopodes. In this order the toes are completely 

 webbed. The cormorant lives on islands in most parts 



PIG. 219. 



SWAN. 



of the world. Its head is rather small, and is naked 

 below the eyes and at the root of the beak. The 

 pelicans have under their enormous beak a membranous 

 pouch in which they can store their prey until at liberty 

 to swallow it leisurely. They are found principally 

 in warm countries, and frequent both fresh and salt 

 waters, where they unite in flocks for fishing. The 

 cormorants also have a pouch, much less developed 

 than that of the pelicans. Among the Steganopodes 

 are the tropic birds and the man o' war, or frigate bird, 



