Distribution and migration of North American gulls and their allies . Fig. 26.—Franklins gull (Larus frariklini). NORTH AMERICAN GULLS AND THEIR ALLIES. 57 next year not a nest could be found at this lake, owing to a droughtthat had lowered the water level. Fall migration.—A very early migrant was taken at Valparaiso,Chile, in September, 1859 (Philippi), though usually the species doesnot reach southern Texas until the last of that month (Armstrong).The extreme northern part of the range is deserted, however, at anearly date, since for 14 years the average date of the last one seen atAweme, Ma
Distribution and migration of North American gulls and their allies . Fig. 26.—Franklins gull (Larus frariklini). NORTH AMERICAN GULLS AND THEIR ALLIES. 57 next year not a nest could be found at this lake, owing to a droughtthat had lowered the water level. Fall migration.—A very early migrant was taken at Valparaiso,Chile, in September, 1859 (Philippi), though usually the species doesnot reach southern Texas until the last of that month (Armstrong).The extreme northern part of the range is deserted, however, at anearly date, since for 14 years the average date of the last one seen atAweme, Manitoba, is August 10, latest August 21, 1905 (Criddle);Harrisburg, N. Dak., latest October 1, 1901 (Eastgate); southeasternSouth Dakota, average of the last seen October 13, latest November12, 1891; Badger, Nebr., November 12, 1899 (Colt); Lincoln, Nebr.,November 17, 1900 (Wolcott); Lawrence, Kans., November 1, 1905(Wetmore); Madison, Minn., October 8, 1894 (Lano); West Depere,. Fig. 27.—Franklins gull {Larus franklini), adult in summer plumage. Wis., October 22, 1884 (Willard); Lake Koshkonong, Wis., a feweach year in September and October, latest October 29, 1871 (Kum-lien); and Corpus Christi, Tex., November 3-7, 1909 (Thayer). BONAPARTES GULL. Larus Philadelphia (Ord.) Range.—North America from Alaska and Mackenzie to Yucatanand Jalisco, Mexico. Breeding range.—A. distinction needs to be made in the case ofBonapartes gull between its summer home and its nesting range,since many of this species remain through the summer as nonbreedersfar south of the district in which they nest. Eggs or nests or un-fledged young have been found at only a few places. This gullbreeds abundantly in northern Mackenzie in the region around FortAnderson (MacFarlane), and thence west to Fort Yukon and thelower Yukon, at Nulato (Dall), the only places in Alaska whence the 58 BULLETIN U. S. DEPARTMENT OF AGRICULTURE. eggs have been reported. It breeds south to the lakes on th
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