FISHERIES OF THE UNITED STATES. [30] 
660. Larus glaucus Briinn. GLAUCOUS GULL; BURGOMASTER. 
[656.] Circumpolar regions; south in winter to Long 
Island, the Great Lakes, and coast of Southern 
Alaska. 
a. No. 76211. gad. Cumberland Gulf, June 6, 1878; L. Kumlien. 
b. No. 76209. g¢ juv. Cumberland Gulf, 1877; L. Kumlien. 
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. 
Mintzer, U. S. N. 
662. Larus giaucescems Licht. GLAUCOUS-WINGED GULL. 
[657, 659.] North Pacific coast; south, in Winter, to 
Oregon; Cumberland Gulf. 
a. No. 54680. g ad. Kodiak, Alaska; F. Bischoff. 
b. No. 73399. Q juv. Unalashka Island, Alaska, May 10, 1877; E. 
W. Nelson. 
663. Larus marinus Linn. GREAT BLACK-BACKED GULL. 
[660.| 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. 
a. No. 18214. 9 ad. Groswater Bay, Labrador, August 10; Dr. E. 
Coues. 
b. No. 18215. Juv. Henley Harbor, Labrador, September 2; Dr. E. 
Coues. 
c. No. 84765. Pullus. Labrador; presented by R. Ridgway. 
664. Larus occidentalis Aud. WESTERNGULL. [662.] Pacific 
coast of United States, south to Cape Saint Lucas. 
a. No. 86397 9 ad. La Paz, Lower California, February 15,1882; L. 
Belding. 
b. No. 72739. gjuv. Santa Cruz Island, California, June 9,1875; H. 
W. Henshaw. 
665. Larus affimis Reinh. SIBERIAN GULL. Northern portions 
of Palearctic region; accidental in (and originally 
described from) Greenland. 
666. Larus argentatus Briinn. HERRING GULL. Palearctic 
region; casual or occasional in Eastern North 
America. 
666a. Larus argentatus smithsonianus Coues. AMERI- 
CAN HERRING GULL. [661.] North Americain gen- 
eral, but rare on Pacific coast, and breeding north- 
ward. 
