88 



CHECK-LIST OF NORTH AMERICAN BIRDS. 



45. Larus kumlieni Brewst. 



Kumiien's UuU. 



Larus kumlieni Bkkw ST. Bull. Nutt. Orn. Club, VIII. I083, 216. 



[B~,C- R-,C-.] 



Hab. North Atlantic coast of North America, breeding in Cum- 

 berland Gulf ; south in winter to the coast of the Middle States. 



4G. Larus nelsoni Hensh. 



Nelson's Gull. 



Larus nelsoni Hensh. Auk, I. July, 1884, 250. 

 [B -, C -, R — , C -.] 

 Hab. Coast of Norton Sound, Alaska. 



47. Lams marinus Linn. 



Great Black-backed Gull. 



Larus marinus Linn. S. N. ed. 10, I. 1758, 136. 



[B 660, C 546, R 663, C 771.] 



Hab. Coasts of the North Atlantic ; south in winter to Long Island 

 and Italy. 



48. Larus schistisagus Stejn. 



Slaty-backed Gull. 



Larus schistisagus Stejn. Auk, I. July, 1884, 231. 



[B _ C -, R — , C -.] 



Hab. North Pacific, chiefly on the Asiatic side; Herald Island, 

 Arctic Ocean, and Alaska. 



49. Larus occidentalis Aud. 



Western Gull. 



Larus occidentalis Aud, Orn. Biog. V. 1839, S^o* 



[B 662, C 547^, R 664, C 774.] 



Hab. Pacific coast of North America, breeding from Southern 

 California northward. 



