Sylvia Protonotarius, Bonap. Syn. p. 86. Prothonotary Warbler, Sylvia Protonotarius, v. i. p. 410. Prothonotary Warbler, Sylvia Protonotarius, Aud. Orn. Biog. v. i. p. 22; v. v. p. 460. 107. 4. Helinaia chrysoptera, Linn. Golden-winged Swamp-Warbler. Plate CCCCXIV. Fig. 1. Male. Fig. 2. Female. Bill slightly shorter than the head, tapering to an acute point; wings with the second and third quills equal and longest, the fourth and first about equal; tail even. Male light ash-grey above, greyish-white beneath; upper part of head, and a patch on the wing, formed by the first row of small coverts and the secondary coverts, bright yellow; a band from the bill to the eye, continued under it, and including the ear-coverts, black, as is the throat; a white band from the upper mandible over the eye, and another from the lower mandible down the neck. Female with the tints less bright, the back tinged with green, the side of the head and the throat grey, and the white bands on the head narrower and less extended. _Male_, 5-1/4, 7-5/8. _Female_, 5, 7-1/4. From Texas to Nova Scotia. In the interior to Kentucky. Rather rare. Migratory. Golden-winged Warbler, Sylvia chrysoptera, Wils. Amer. Orn. v. ii. p. 113. Sylvia chrysoptera, Bonap. Syn. p. 87. Golden-winged Warbler, Sylvia chrysoptera, Nutt. Man. v. i. p. 411. Golden-winged Warbler, Sylvia chrysoptera, Aud. Orn. Biog. v. v. p. 154. 108. 5. Helinaia Bachmanii, Aud. Bachman's Swamp-Warbler. Plate CLXXXV. Male and Female. Bill nearly as long as the head, slightly decurved, much attenuated; outer four quills nearly equal, second longest, tail even. Male with the upper parts yellowish-green, the feathers of the crown black, with greyish margin; the hind neck grey; forehead, a line over the eye, cheeks, chin, sides of neck, flexure of wing, lower wing-coverts, and breast, yellow; sides greenish-grey, lower tail-coverts white; a patch of black, enlarging beneath, on the fore neck; quills and tail greyish-brown; a patch of white on each of the tail-feathers, excepting the middle. Female with the tints fainter, the forehead yellowish-green, the fore neck dusky. _Male_, 4-1/12, 6-1/4. _Female_, 3-10/12. South Carolina. Rare. Migratory. Bachman's Warbler, Sylvia Bachmanii, Aud. Orn. Biog. v. ii. p. 483. 109. 6. Helinaia carbonata, Aud. Carbonated Swamp-Warbler. Plate LX. Male. Bill shorter than the head, straight, very acute; wing with the second quill longest; tail slightly emarginate. Male with the upper part of the head black; fore part of back, smaller wing-coverts, and sides dusky green, spotted with black; a line over the eye, the sides of the neck, throat, the rest of the lower parts, and the rump yellow. _Male_, 4-3/4. Kentucky. Only two specimens procured. Migratory. Carbonated Warbler, Sylvia carbonata, Aud. Orn. Biog. v. i. p. 308.