42. Glaucous Gull (Larus glaucus), L. 28; W. 17. 
1; B. 2.35. No black in plumage. Ads. 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.—Northern hemisphere; breeds in America, from Labrador 
norbward, winters south to middle California, Great Lakes and Long 
sland. 
42.1. Point Barrow Gull (Larus barrovianus). 
Similar to No. 42, but bill through angle not so deep, 
(.8 as compared with .o in glaucus); primaries more 
distinctly tipped with white. Notes. ‘‘ki-ka-ka, ka- 
hi-ki, ka-léé-66, ki-léé-66, hki-léé-06, kn-ki-kn, ka- 
ka-ka, the ka-ka hoarse, the rest a shrill screaming.” 
(Nelson. ) 5; 
Range.—‘‘Bering Sea and contiguous waters: northeast to Point 
Barrow, southwest to Japan.” (A. O. U.) 
43. Iceland Gull (Larus leucopterus). L. 25; W. 16; 
B. 1.75. Similar in color to Nos. 42 and 42.1, but 
smaller. 
Range.—Atlantic; breeds in Greenland: winters south in America to 
Great Lakes, and rarely, Long Island. 
44. Glaucous-winged Gull (Larus glaucescens). L. 
27. Ads., summer. Head, tail, and underparts white; 
back pearl; primaries pearl, 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; breeds from British Columbia to Bering 
Straits; winters south to southern California. 
45. Kumlien Gull (Larus Zumlien’) W. 16.2; 
B. 1.75. Similarto No. 43, but primaries with well de- 
fined ashy gray spaces; outer priniary 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.—'‘North Atlantic coast of North America, breeding in Cum- 
berland Gulf; south in winter to the coast of the Middle States.”” (A. 
O. U.) 
46. Nelson Gull (Larus nelsoni). ‘‘Wing 18.25, 
culmen 2.35. Ads. In plumage exactly like L. kum- 
Jieni; depth of bill through angle .80; tarsus 3.05; 
middle toe (without claw) 2.40.”’ (Ridgway.) 
Range.—"‘Coast of Norton Sound, Alaska.”’ (A. O. U.) 
53 
Gulls. 
