Birds of Oregon and Washington 215 



DESCRIPTION. Mantle, pearl-color, medium shade ; 

 the rest of the plumage, white, except quills, which have 

 black on them. A sure distinguishing mark is a gray 

 wedge-shaped patch on inner web of wings. 



Winter resident. 



THE BONAPARTE'S GULL. 



Length, 12 to 14 inches. 



This Gull is more or less common " all along 

 our coast, very common at Ilwaco, Washington, 

 and in some other places. It may be distin- 

 guished from all of those previously named by its 

 size ; it is much smaller. It is to be seen only in 

 autumn and in winter, as it breeds in Alaska. 



DESCRIPTION. Winter plumage of adult : Head, 

 white ; back of head, tinged with grayish ; ear-coverts, 

 marked with a dusky spot ; mantle, delicate pale pearl- 

 gray ; three outer quills in wings, white and gray, but 

 terminals, black ; rest of plumage, pure white ; feet, in 

 life, pale flesh-color ; bill, deep black. (Ridgway.) 



Winter resident. 



THE PACIFIC KITTIWAKE. 



Length, 16 to 17 inches. 



This Gull is quite a common winter resident 

 upon our coast, and may be identified by notic- 



