ICELAND GULL. 



601 



tail-feathers greyish-white, the latter marked across with 

 broadish lines of pale brown, which are more numerous 

 about the base than towards the end ; chin dull white ; 

 neck, breast, belly, and all the under surface of the body, 

 dull white, streaked transversely with pale brown ; legs 

 yellowish-brown. 



The whole length of this specimen is eighteen inches. 

 From the carpal joint to the end of the longest quill- 

 feather fifteen inches and a half; the ends of the wings 

 reaching two inches beyond the tail. 



Faber mentions, that the young bird before becoming 

 matured in colour measures twenty inches and three- 

 quarters in length ; that the spots on the plumage are 

 lost by degrees, and in the fourth summer they have the 

 same colour as the old birds. 



