Part 37

Wings rather short, the second quill longest, the fourth longer than the first, the tail long, considerably rounded, its feathers rounded; tarsus longer than the middle toe and claw. Male olive-green above; the head, hind part, and sides of the neck bluish-grey; the fore neck and part of the breast greyish-black, lunulated with greyish-white; a black loral band; a conspicuous white spot on each eyelid; the lower parts bright yellow. Female olive-green above, yellow beneath, the sides of the neck and a band across the breast ash-grey.

Male, 5-1/4, 6-1/2. Female, 5, wing 2-((4-1/2)/12).

Columbia River. Common.

Macgillivray's Warbler, Sylvia Macgillivrayi, Aud. Orn. Biog. v. v. p. 75.

101. 2. Trichas Philadelphia, Wils. Mourning Ground-Warbler.--Mourning Warbler.

Wings of moderate length, with the second quill longest, the fourth shorter than the first; the tail long, considerably rounded, its feathers scarcely pointed; tarsus longer than the middle toe and claw. Male olive-green above, the head, hind part and sides of the neck, bluish-grey; the fore neck and part of the breast deep black, lunulated with white; a blackish loral band, margins of eyelids dusky grey; the lower parts bright yellow. Female olive-green above, yellow beneath, the sides of the neck and a band across the breast ash-grey, the throat yellowish-white.

Male, 5, 8.

New Jersey and Blue Mountains of Vermont. Rare. Migratory.

Mourning Warbler, Sylvia Philadelphia, Wils. Amer. Orn. v. ii. p. 101.

Sylvia Philadelphia, Bonap. Syn. p. 85.

Mourning Warbler, Sylvia Philadelphia, Nutt. Man. v. i. p. 404.

Mourning Warbler, Sylvia Philadelphia, Aud. Orn. Biog. v. v. p. 79.

102. 3. Trichas Marilandica, Linn. Maryland Ground-Warbler.--Maryland Yellow-throat. Yellow-breasted Warbler.

Plate XXIII. Male and Female. Plate XXIV. Young Male.

Wings rather short, with the third and fourth quills longest, fifth longer than second, first and sixth equal; tail considerably rounded, the lateral feathers being three-twelfths shorter than the middle. Male with a broad band of black across the forehead, including the loral space and eyes, and terminating in a rather pointed form behind the ear-coverts; over this band a narrow one of very pale blue, or bluish-white; upper parts yellowish-green, on the head slightly tinged with red; quills and tail-feathers wood-brown, margined with yellowish-green; the edge of the wing and the margin of the outer primary yellow; fore part of neck bright yellow, as is the anterior part of the breast and the lower tail-coverts, the rest pale, the sides shaded with dull yellowish-brown; the axillaries and some of the lower wing-coverts white. Female with the upper parts lighter, the lower less bright, tinged with reddish-brown, the head of pale brownish-red, without the bands so conspicuous in the male. Young similar to the female, the males with a black mystachial band.

Male, 4-3/4, 6-1/2.

From Texas northward to Nova Scotia, and throughout the interior; Columbia River.

Maryland Yellow-throat, Sylvia Marilandica, Wils. Amer. Orn. v. i. p. 88, Male; v. ii. p. 163, Female.

Sylvia Marilandica, Bonap. Syn. p. 85.

Maryland Yellow-throat, Nutt. Man. v. i.

Yellow-breasted Warbler, or Maryland Yellow-throat, Sylvia Trichas, Aud. Orn. Biog. v. i. p. 121, Adult; v. v. p. 463.

Roscoe's Yellow-throat, Sylvia Roscoe, Aud. Orn. Biog. v. i. p. 124. Young.

103. 4. Trichas Delafieldii, Aud. Delafield's Ground-Warbler.

Wing rather long, much rounded, with the third and fourth quills longest, sixth longer than second, first and tenth about equal; tail much rounded, the lateral feathers being half an inch shorter than the middle. Male with a band of black across the forehead, including the loral space and eyes, and terminating on the ear-coverts; upper part of head light greyish-blue, tinged behind with green; the rest of the upper parts dull yellowish-green; quills and tail-feathers wood-brown on the inner webs, the edge of the wing and margin of the outer primary yellow; all the lower parts rich yellow, excepting the sides, which are shaded into dull greenish-yellow.

Male, 5-1/4, wing, 2-5/12.

North California.

Delafield's Yellow-throat, Sylvia Delafieldii, Aud. Orn. Biog. v. v. p. 307.

GENUS IV. HELINAIA, Aud. SWAMP-WARBLERS.