Black-throated Green Warbler, Sylvia virens, Aud. Orn. Biog. v. iv. p. 70. 85. 10. Sylvicola maritima, Wils. Cape May Wood-Warbler. Plate CCCCXIV. Male and Female. Wings pointed, first quill longest, the second a quarter of a twelfth shorter, the third a twelfth shorter; tail slightly emarginate. Male with the upper part of the head and fore part of the back yellowish-olive, streaked with black; the rump, throat, and a collar scarcely meeting behind, yellow; ear-coverts and a band over the eye yellowish-red, loral space paler; a white patch on the wing, formed by the first row of small coverts and the outer edges of the secondary coverts; quills and tail-feathers blackish-brown, edged with dull greyish-white, the secondaries more broadly; tail-feathers edged with yellow at the base, the outer three with a white patch on the inner web near the end; lower parts yellow, streaked with black, abdomen and lower tail-coverts white, the latter tinged with yellow. Female similar to the male, with the tints duller, the dusky streaks on the upper parts very faint, the rump greenish-yellow, the ear-coverts dull yellow, the white of the abdomen more extended, and the black streaks on the breast less distinct. _Male_, 5-1/2, 8-1/2. New Jersey, and Blue Mountains of Vermont. Exceedingly rare. Cape May Warbler, Sylvia maritima, Wils. Amer. Orn. v. iv. p. 99. Sylvia maritima, Bonap. Syn. p. 79. Cape May Warbler, Sylvia maritima. Nutt. Man. v. i. p. 156. Cape May Warbler, Sylvia maritima, Aud. Orn. Biog. v. v. p. 156. 86. 11. Sylvicola cœrulea, Wils. Cœrulean Wood-Warbler. Plate XLVIII. Males. Plate XLIX. Young Male. Wings long, with the outer three quills nearly equal, the first and second longest; tail slightly emarginate, upper parts of a fine light blue, brighter on the head, the back marked with longitudinal streaks of blackish; a narrow band of black from the forehead along the lore to behind the eye; two conspicuous white bands on the wings, formed by the tips of the secondary coverts and first row of small coverts; quills black, margined with pale blue; tail-feathers black, edged with blue, all with a white patch on the inner web near the end; lower parts white, with a band of dark bluish-grey across the fore neck, and oblong spots of the same along the sides. Female with the upper parts light bluish-green, the lower and a streak over the eye very pale yellow. Young of both sexes like the female. _Male_, 4-1/2, 8. From Texas to Nova Scotia. Columbia River. Rather common. Migratory. Cœrulean Warbler, Sylvia cœrulea, Wils. Amer. Orn. v. ii. p. 141. Male. Blue-green Warbler, Sylvia rara, Wils. Amer. Orn. v. iii. p. 119. Young. Sylvia azurea, Bonap. Syn. p. 85. Sylvia rara, Bonap. Syn. p. 82. Cœrulean Warbler, Sylvia azurea, Bonap. Amer. Orn. v. ii. p. 27. Female.