Page:Ornithological biography, or an account of the habits of the birds of the United States of America, volume 1.djvu/108

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80
BLUE YELLOW-BACK WARBLER.

Bill brownish-black above, yellow beneath. Iris dark brown. Feet and claws dusky. Front and lore black. Head and back part of the neck bright rich blue, including the eye, above and beneath which is a slight streak of white. Back yellowish-green; rump pale blue. Quills blackish, margined externally with bright blue, of which colour are the wing-coverts, the tips of the first two rows of which are white, forming two bands of that colour on the wings. Tail-feathers blackish, the outer webs blue, a white spot on the inner webs of the three outer, towards the end. Throat whitish, spotted with yellow; a lunulated blackish spot on the lower neck in front; breast yellow, spotted with orange; the rest of the under parts yellowish, fading into white on the abdomen and under tail coverts.

Length 4⅙ inches, extent of wings 6½; bill along the ridge ⅓, along the gap ½; tarsus ¾.


Adult Female. Plate XV. Fig. 2.

Beak and feet of the same colour. Upper parts similarly coloured but paler, the frontal band wanting. Throat, fore neck and breast, yellow, without the orange spots, or black lunule. The other parts as in the male, but fainter.

Length 4 inches.




The Coppery Iris, or Louisiana Flag.


Iris cuprea, Pursh, Fl. Amer. vol. i. p. 30.—Triandria Monogynia,


"Beardless, the stem equal in height to the leaves, which are broadly ensiform, the stigmas linear and short, all the petals emarginate, reflected, and obovate, the inner shorter, the capsules large and hexagonal. Found on the banks of the Mississippi near New Orleans. Flowers of a beautiful copper colour, veined with purple."