BIRDS OF NEW YORK 



Memoir 12. N. Y. State Museum 



Plate 6 



SABINE GULL adult in summer 

 Xema sabini (Sabine) 

 LAUGHING GULL adult in summer 

 Lams atriciUa Linnaeus 



KITTIWAKE 

 Rinsa trie. 



ADULT IN SUMMER 

 IMMATURE 



R *J IMMATURE 



IMMATURE 



All I nat. size 



BONAPARTE GULL 



Larua phUadelp}iia (Ord) 



ADULT IN SUMMER 

 IMMATURE 



Gunnerus 



ADULT IN SUMMER 



