. Bird-lore . erage date offall departure October 11October 6October 7October 13October 29October 31November 6November 13November 15November 6November 10October 30November 4November iNovember gNovember 17October 11October 20October 25October 22October 31November 2November iNovember 11October 27November 11November 3October 29October 14October 22October 20October 27November 17October 25October 26October 23November 4 Latest date offall departure November 3, 1902October 23, 1897October 23, 1013October 18, 1915November 24, 1913Rare, winterNovember 26, 1911November 22, 1914November 20, 1901Rare, win
. Bird-lore . erage date offall departure October 11October 6October 7October 13October 29October 31November 6November 13November 15November 6November 10October 30November 4November iNovember gNovember 17October 11October 20October 25October 22October 31November 2November iNovember 11October 27November 11November 3October 29October 14October 22October 20October 27November 17October 25October 26October 23November 4 Latest date offall departure November 3, 1902October 23, 1897October 23, 1013October 18, 1915November 24, 1913Rare, winterNovember 26, 1911November 22, 1914November 20, 1901Rare, winterRare, winterRare, winterNovember 30, 1914November 21, 1888Rare, winterRare, winterNovember 12, 1887November 14, 1902Rare, winterRare, winterRare, winterRare, winterRare, winterRare, winterNovember 17, 1903November 16, 1892November 20, 1910November 12, 1909November 3, 1897Rare, winterNovember 8, 1887December 21, 1913Rare, winterOctober 26, 1907November 8. 1901October 23, iqio^December 8, 1903October 31, 1906. Notes on the Plumage of North American Birds SIXTIETH PAPER By FRANK M. CHAPMAN (See Frontispiece) Purple Grackle (Quiscalus quiscula quiscula\ Figs. 1-3). Nestling Grackksare almost uniform sooty brown with traces of iridescence in the wings and August this plumage is exchanged, by complete molt, for the glossy dressof the adult bird. There is no spring molt and the slight difTerences betweenwinter and summer plumage are due to wear and exposure. The female (Fig. 3)is smaller in size and duller in color than the male, somewhat duller, even, thanour figure. Florida Grackle (Quiscalus quiscula aglcEus, Fig. 4). The plumage changesof this bird are similar to those of the Purple Grackle, from which it mayusually be distinguished by its smaller size, purple-violet breast, and bottle-green back. Bronzed Grackle (Quiscalus quiscula aneus, Fig. 5). The nestling plumageof this species resembles that of the Purple Grackle, and, as in that species,the plumage of the adult
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