Page:Birds of North and Middle America partV Ridgway.djvu/485

Rh ::::: ff. Under parts of body with black confined to chest and upper breast; upper parts more bronzy; smaller (wing averaging 62.5, tail 36.7, culmen 22.9). (Island of Porto Rico, St. Thomas, St. Johns, and Anegada.) Anthracothorax aurulentus, adult male (p. 470).
 * cc. Under parts partly white.
 * d. Under parts with a median stripe of black, black and bluish green, or bluish green, bordered laterally (on each side) by a stripe of white.
 * e. Median stripe wholly black.
 * f. Smaller (wing averaging 65.2, tail 35.2, culmen 24.1).

Anthracothorax nigricollis nigricollis, female and young (pp. 459, 460).
 * ff. Larger (wing averaging 69.5, tail 37, culmen 27.2).

Anthracothorax nigricollis iridescens, female and young (extralimital).
 * ee. Median stripe only partly black or without black.
 * f. Median stripe black on throat, bluish green on chest and breast.
 * g. Bill longer (culmen 25-31, averaging 28.1).

Anthracothorax prevostii prevostii, female and young (pp. 463, 464).
 * gg. Bill shorter (culmen 22-28, averaging much less than 28).
 * h. Culmen 22.5-28, averaging 25.4.

Antracothorax prevostii gracilirostris, female and young (p. 465).
 * hh. Culmen 22-23.5, averaging 22.7.

Anthracothorax prevostii hendersoni, female and young (p. 466).
 * ff. Median stripe green on throat, black on chest, breast, and abdomen.

Anthracothorax gramineus, female and young (extralimital).
 * ee. Median stripe wholly bluish green.

Anthracothorax veraguensis, female and young (p. 467).
 * dd. Under parts pale grayish without any black or greenish median stripe.
 * e. Larger (wing averaging 65.3, tail 37.5, culmen 25.6); lateral rectrices extensively chestnut basally; lateral under parts conspicuously spotted with metallic green; green of upper parts less bronzy.

Anthracothorax dominicus, female and young (pp. 468, 469).
 * ee. Smaller (wing averaging 58.1, tail 32.7, culmen 23.6); lateral rectrices with little if any chestnut; lateral under parts with little if any metallic green spotting; green of upper parts more bronzy.

Anthracothorax aurulentus, female and young (pp. 470, 471). aa. Tail steel blue; under parts uniform green. (Island of Porto Rico.) Anthracothorax virldis, both sexes (p. 472).

ANTHRACOTHORAX MANGO (Linnæus). MANGO HUMMING BIRD.

Adult male. — Pileum dull dusky bronze, the feathers narrowly and indistinctly margined with darker; occiput, hindneck, upper back, anterior scapulars, and lesser wing-coverts metallic coppery purple, the feathers grayish dusky at base and with a concealed subterminal band of greenish bronze; lower back, posterior scapulars, rump, and upper tail-coverts dull dusky greenish bronze, more or less tinged with coppery bronze or purplish, the lower back sometimes strongly so; middle pair of rectrices varying from dusky greenish bronze to dull black; remaining rectrices deep chestnut, margined terminally with dark bluish green, dusky bronze-green, or blackish (the outer- most rectrix also edged along outer web with the same), the chestnut portion of rectrices glossed with metallic purple, violet, or bluish;