- (?) Trochilus alricapillus Vieillot, Nouv. Dict. d'Hist. Nat., vii, 1817, 354 (Paraguay; based on del faxa negra a lo largo Azara).
- (?) Lamponiis obscura Boucard, The Hum. Bird, i, no. 4, April 1, 1891, 25 (Brazil; coll. A. Boucard; =melanism?).
- (?) Lamponiis violicauda var. Boucard, Proc. Zool. Sjc. Lond., 1879, 178 (=melanism?).
ANTHRACOTHORAX PREVOSTII PREVOSTII (Lesson).
PREVOST'S MANGO.
Adult male. — Above metallic bronze-green or greenish bronze; middle pair of rectrices dull dusky bronze-green, varying to dull coppery bronze, the other rectrices deep purplish maroon strongly glossed with metallic violet-purple, margined terminally (rather broadly) with black; remiges dusky brownish slate; median portion of chin and throat (broadly) velvety black; sides of chin and throat (narrowly), malar region, lower foreneck, chest, and median portion of breast and abdomen metallic bluish green, the feathers dull black or dusky beneath surface, auricular region, sides of neck, sides of chest and breast, sides, and flanks bronze-green; under tail-coverts dusky, often intermixed mth deep purplish chestnut (the latter sometimes prevailing); femoral and lumbar tufts white; bill dull black; iris dark brown; feet dusky; length (skins), 110-120 (115); wing, 63.5-68.5 (66); tail, 34-37 (35.6); culmen, 24-29 (26.2).[1]
Adult female. — Above much less bronzy than adult male, often
nearly pure metallic green; lateral rectrices with brownish gray and
- ↑ Twenty-four specimens.
Locality. Wing. Tail. Exposed
culmen.males. Ten adult males from Tamaulipas, Vera Cruz, and Oaxaca 66.4 36 26.5 Two adult males from Yucatan 66.2 35.2 25.2 Ten adult males from Cozumél Island 65.4 35.2 26 One adult male from British Honduras 66.5 35.5 26 One adult male from eastern Guatemala 65.5 36 27 Three adult males from Nicaragua (A. p. gracilirostris) 66 35 24.7 Six adult males from Costa Rica (A. p. gracilirostris) 65.9 35.4 24.3 Four adult males (A. p. hendersoni) from Old Providence Island. 67 36.7 22.9 females. Five adult females from Tamaulipas, Vera Cruz, and Oaxaca 64.3 34.1 29.5 One adult female from Yucatan 66 35 28 Four adult females from Cozumél Island 64.9 34.9 28.2 One adult female from British Honduras 64 34.5 28.5 One adult female from eastern Guatemala 67 34 25 One adult female from Chiapas (Palénque) 65.5 35 26.5 Two adult females from Nicaragua (A. p. gracilirostris) 66.5 36 25.5 Eight adult females from Costa Rica (A. p. gracilirostris) 64.9 35.3 25.4 Two adult females (A. p. heridersoni) from Old Providence Island 66.2 35 22.7
