Geothlypis t.brachidactyla. Descriptions of First Plumage of Cer- tain North Am, Bbs. Wm.Brewster. 41. Geothlypis trichas. First plumage: male. Remiges, rectrices, etc., as in adult. Wing- coverts continuously light brown. Rest of upper parts, including sides of head, brown, lightest on rump, and slightly tinged with olive on the back. Throat yellowish-olive, deepening to dark clear olive on jugulum, breast, sides, and anal region. Abdomen dull yellow, with its lateral margins bounded by bands of fulvous-brown. From specimen in my collection shot at Upton, Me., August 26, 1874. Two other specimens, taken respec- tively July 28 and August 10, present no appreciable difference from the birds first described. Bull. N.O.C, 3, April, 1878. p. 62.