Gulb 



A2. G\a\icous Gu\l {Larus glaiiats). L. 28; W. 17. 



1; B. 2.35.c-No black in plumage, ^ds. Primaries 

 white tinted with pearl; bill with red spot at end of 

 lower mandible. Yng. Dirty white or gray, mottled 

 with dusky and buffy, chiefly above; primaries white; 

 outer webs brownish. 



Range. — N&rthem hemisphere; breeds In America, from Labrador 

 northwarfl; iHnters south to middle Callfornfa. Great Lalces and Long 

 Island. 



42. 1 . Point Barrow Gull [Larus harromanus). 

 Similar to No. 42, but bill through angle not so deep, 

 (.8 as compared with .0 in glaucus)\ primaries more 

 distinctly tipped with white. Notes. "kH-M-M, M- 

 M-ka, M-lee-00, M-lee-00, M-leS-00, M-kH^M, ha- 

 ka-M, the AiJ-Ad hoarse, the rest a shrill screaming." 

 (Nelson.) 



Range. — "Bering Sea and contiguous waters; northeast to Point 

 Barrow, southwest to Japan." (A. O. U.) 



43. Iceland Gull [Larus leucoptsrus). L, 2';; W- 16; 

 B. 1.73. Similar in color to Nos, 42 and 42.1, but 

 smaller. 



Range. — Atlantic; breeds In Greenland; winlers soulh in America (o 

 Great Lakes, and rarely, Long Island. 



44. Glaucous-winged Gull {Larus glaucfscms). L. 

 27. Jds., summer. HejJ. tail, and underparts white; 

 back pearl; primaries peuil, tipped with white. Ads., 

 winter. Head and neck streaked with brownish. 

 Yng. Brownish gray, more or less mixed with white, 

 including wings and tail. 



Range.— North Pacific; hrepas from British Cohimbia to Bering: 

 Straits; winlers south to .loiithern California. 



45. Kumlien Gull {Lai-us kumlieni). W. 16.2; 

 B. I. 75. Similarto No. 43, but primaries with well de- 

 fined ashy gray spaces; outer prinl.^^y tipped with white, 

 with ashy gray on outer web and shaft part of inner 

 web; second primary ashy gray on only shaft part of 

 outer web. 



Range. — "Nonh Atlantic coast o( North America, breeding In Cum- 

 berland Gulf; south In winter to the coast of the Middle Stales." (A. 

 O. U.) 



46. Nelson Gull (J.arus nelsoni). "Wing 1S.25, 

 Culmen 2.35. Ads. In plumage exactly like L. kam- 

 item; depth of bill through angle .80; tarsus j.oji 

 middle toe (without claw) 2.40." (Ridgway.) 



Range.— "Coast of Norton Sound, Alaska." (A. O. U.) 



53 



