526 



J'ALMIPEDES. 



North America. Tlioy live in small flocks, swimming 

 with ease and celerity while in quest of their food, 

 which consists of Crustacea, mollusca, and other 

 marine animals. As the night approaches, they 

 seek the shore, where, under the ledges of the rocks, 

 or in burrows dug with their bill and feet, they 

 retire to rest ; and it is in such places that the 

 female deposits her single egg. 



The type of this sub-family is — 



The Knotty-billed Staraki {P/iukris 7wdlrostrus). 



