Part 35

Columbia River. Migratory.

Sylvia nigrescens, Black-throated Grey Warbler, Journ. Acad. Nat. Sc. Philadelphia, v. vii. p. 191.

Black-throated Grey Warbler, Sylvia nigrescens, Aud. Orn. Biog. v. v. p. 57.

95. 20. Sylvicola canadensis, Linn. Canada or Black-throated Blue Wood-Warbler.

Plate CLV. Male. Plate CXLVIII. Female and Young.

Wings rather long, with the third quill longest, the second almost equal, the fourth longer than the first; tail even. Male dull light blue above, white beneath; frontal band, cheeks, throat, and sides, black; a white patch on the wing formed by the bases of the primaries; outer three tail-feathers with a patch of white on the inner web near the end, all the rest with a touch of the same. Female greenish-olive above, light dull-yellow below, with a less extended white patch on the wing, the white on the tail unconspicuous. Young similar to the female.

Male, 5, 7-1/2.

From Texas northward. Migratory. Abundant.

Motacilla canadensis, Linn. Syst. Nat. v. i. p. 334.

Black-throated Blue Warbler, Sylvia canadensis, Wils. Amer. Orn. v. ii. p. 115. Male.

Sylvia canadensis, Bonap. Syn. p. 84. Male.

Black-throated Blue Warbler, Sylvia canadensis, Nutt. Man. v. i. p. 398. Male.

Black-throated Blue Warbler, Sylvia canadensis, Aud. Orn. Biog. v. ii. p. 309. Male.

Pine-swamp Warbler, Sylvia pusilla, Wils. Amer. Orn. v. v. p. 100. Young.

Sylvia sphagnosa, Bonap. Syn. p. 85. Young.

Pine-swamp Warbler, Sylvia sphagnosa, Nutt. Man. v. i. p. 406. Young.

Pine-swamp Warbler, Sylvia sphagnosa, Aud. Orn. Biog. v. ii. p. 279. Female and Young.

96. 21. Sylvicola maculosa, Lath. Blue-headed Yellow-rumped Wood-Warbler.--Black-and-Yellow Warbler.

Plate CXXIII. Male and Female. Plate L. Young.

Wings of moderate length, the outer four quills nearly equal, the second and third longest and equal, the fourth longer than the first; tail almost even. Upper part of head and hind neck ash-grey; eyelids, and a band over the eye, white; part of forehead, loral space, and a broad band down the side of the neck, with the fore part of the back, and upper tail-coverts deep black; lower parts and rump bright yellow; the lower part of the throat, the breast and sides, spotted with black; wings and tail-feathers brownish-black, edged with grey; two white bands on the wing; all the tail-feathers, except the middle two, with a large patch of white on the inner web, at about two-thirds of their length. Young yellowish-grey above, with the head light grey, the rump yellow; lower parts of a duller yellow, with only faint dusky streaks on the sides.

Male, 5, 7-1/2.

From Texas northward. Very abundant. Migratory.

Black-and-Yellow Warbler, Sylvia magnolia, Wils. Amer. Orn. v. iii. p. 63. Adult.

Sylvia maculosa, Bonap. Syn. p. 78.

Black-and-Yellow Warbler, Sylvia maculosa, Nutt. Man. v. i. p. 370.

Sylvicola maculosa, Yellow-rump Warbler, F. Bor. Amer. v. ii. p. 213.

Black-and-Yellow Warbler, Sylvia maculosa, Aud. Orn. Biog. v. ii. p. 145, Adult; v. i. p. 260, Young; v. v. p. 458.

97. 22. Sylvicola discolor, Vieill. Prairie Wood-Warbler.