. Color key to North American birds; with bibliographical appendix . laucfscms). Jds., summer. HejJ. tail, and underparts white;back pearl; primaries peuil, tipped with white. Ads.,winter. Head and neck streaked with 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. ;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 w

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. Color key to North American birds; with bibliographical appendix . laucfscms). Jds., summer. HejJ. tail, and underparts white;back pearl; primaries peuil, tipped with white. Ads.,winter. Head and neck streaked with 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. ;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 innerweb; second primary ashy gray on only shaft part ofouter web. Range.—Nonh Atlantic coast o( North America, breeding In Cum-berland Gulf; south In winter to the coast of the Middle Stales. ( U.) 46. Nelson Gull ( nelsoni). Wing ,Culmen Ads. In plumage exactly like L. kam-item; depth of bill through angle .80; tarsus toe (without claw) (Ridgway.) Range.—Coastof Norton Sound, Alaska. (A. O. U.) 53. Gulls

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, bookyear1912