ORDER LONGIPENNES. 1 7 



[B- C— R— , C— .] 



Geog. Dist. — Bering Sea and contiguous waters ; northeastward to 

 Point Barrow, southwestward to Japan. 



43. Larus leucopterus Faber. 



Iceland Grull. 



Larus leucopterus Faber, Prodr. Isl. Orn. 1822, 91. 



[B 658, C 544, R 661, C 769.] 



Geog. Dist. — Arctic regions, south in winter in North America 

 to Massachusetts and the Great Lakes, occasionally much further 

 south. 



44. Larus glaucescens Naum. 



Glaucous-Tvinged Gull. 



Larus glaucescens Naum. Naturg. Vog. Deutschl. X. 1840, 351. 



[B 657, 659, C 545, R 662, C 770.] 



Geog. Dist. — Pacific coast of North America, from Alaska south 

 to California ; on the Asiatic side south to Japan. 



45. Larus kumlieni Brewst. 



Kumlien's Gull. 



Larus kumlieni 'Bk^vist. Bull. Nutt. Orn. Club, VIII. 1883, 216. 



[B— , C— , R-, C— .] 



Geog. Dist. — North Atlantic coast of North America, breeding 

 in Cumberland Gulf ; south in winter to the coast of the Middle 

 States. 



46. Larus nelsoni Hensh. 



Nelson's Gull. 



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

 [B— , C— , R— , C— .] 

 Geog. Dist. — Coast of Norton Sound, Alaska. 



