- 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.)
- 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).
- f. Smaller (wing averaging 65.2, tail 35.2, culmen 24.1).
- e. Median stripe wholly black.
- 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.
- cc. Under parts partly white.
Anthracothorax nigricollis nigricollis, female and young (pp. 459, 460).
- ff. Larger (wing averaging 69.5, tail 37, culmen 27.2).
- 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).
- g. Bill longer (culmen 25-31, averaging 28.1).
- f. Median stripe black on throat, bluish green on chest and breast.
- ee. Median stripe only partly black or without black.
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.
- gg. Bill shorter (culmen 22-28, averaging much less than 28).
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.
- dd. Under parts pale grayish without any black or greenish median stripe.
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;
