1CS FISHERIES OF THE UNITED STATES. [30] 



660. Larus giaucus Briiim. Glaucous Gull; Burgomaster. 



[656.J Oircumpolar regions; south in winter to Long 

 Island, the Great Lakes, and coast of Southern 

 Alaska. 



a. No. 76211. $ ad. Cumberland Gulf, June G, 1878; L. Kumlieu. 



6. No. 76209. $ juv. Cumberland Gulf, 1877; L. Kumlieu. 



c. No. 79132. $ juv. Davis Straits, August 15,1879; N. P. Scudder. 



661. Larus leucopterus Faber. White-winged Gull. [658.] 



With much the same range as L. glaucus. 



a. No. 71024. Juv. Cumberland Gulf, August 30, 1876; Lieut. W. A. 

 Miutzer, U. S. N. 



66*3. Larus glaucesceras Licht. Glaucous-winged Gull. 

 [657,059] North Pacific coast; south, in winter, to 

 Oregon; Cumberland Gulf. 



a. No. 54680. $ ad. Kodiak, Alaska; F. BiscbofF. 



b. No. 73399. 9 juv. Uualashka Island, Alaska, May 10, 1877; E. 



W. Nelsou. 



663. Larus marimis Linn. Great Black-backed Gull. 



[660. J Coasts of North Atlantic; south, in winter, 

 to Long Island and the Great Lakes; Arctic Ocean, 

 north of Bering's Straits; and occasional on Alaskan 

 coast of Bering Sea; Japan. 



«. No. 18214. $ ad. Groswater Bay, Labrador, August 10; Dr. E. 



Coues. 

 1). No. 18215. Juv. Henley Harbor, Labrador, September 2 ; Dr. E. 



Coues. 



c. No. 84765. Pullus. Labrador; presented by R. Ridgway. 



664. Larus occiden talis Aud. Western Gull. [662.] Pacific 



coast of United States, south to Cape Saint Lucas. 



a. No. 86397 $ ad. La Paz, Lower California, February 15, 1882 ; L. 



Beldiug. 



b. No. 72739. $ juv. Sauta Cruz Island, California, June 9, 1875 ; H. 



W. Henshaw. 



665. Larus a (finis Eeinh. Siberian Gull. Northern portions 



of Palsearctic region; accidental in (and originally- 

 described from) Greenland. 



663. Larus argeistatus Brunn. Herring Gull. Palaearctic 

 region; casual or occasional in Eastern North 

 America. 



666a. Larus argesitafus smithsonianus Coues. Ameri- 

 can Herring Gull. [661.] North America in gen- 

 eral, but rare on Pacific coast, and breeding north- 

 ward. 



