ORDER LONGIPENNES. 89 



[50.] Larus afiinis REINH. 

 Siberian Gull. 



Larus affinis REINH. Vid. Med. 1853, 78. 



[B , C , R 665, C 776-] 



HAB. Greenland ; Asia and Europe, southward in winter to North 

 Africa. 



51. Larus argentatus BRUNN. 



Herring Gull. 



Larus argentatus BRUNN. Orn. Bor. 1764, 44. 

 [B , C 547, R 666, C 772.] 



HAB. Old World, south to the Azores ; Cumberland Sound ; occa- 

 sional on the eastern coast of the United States. 



51 a. Larus argentatus smithsonianus COUES. 



American Herring Gull. 



Larus smithsonianus COUES, Pr. Ac. Nat. Sci. Phila. 1862, 296. 

 Larus argentatus var. smithsonianus COUES, Check List, 1873, 

 no. 547 a. 



[B66i, C547", R666, C 773-] 



HAB. North America generally, breeding on the Atlantic coast 

 from Maine northward ; in winter south to Cuba and Lower California. 



52. Larus cachinnans PALL. 



Pallas's Gull. 



Larus cachinnans PALL. Zoog. Rosso- As. II. 1826, 318. 



[B - C -, R 667, C 775-] 



HAB. Asia, from the Red Sea to the Pacific and Arctic Oceans ; 

 coast of Alaska, south in winter to California. 



53. Larus californicus LAWR. 



California Gull. 



Larus californicus LAWR. Ann. Lye. N. Y. VI. 1854, 79. 



[B 663, C 548*, R 668, C 777.] 

 HAB. Western Province of North America, from Alaska to Mexico. 



