Adult female. — Similar to the adult male, and perhaps not always distinguishable, but usually with the blue jugular area smaller and more greenish blue, and bill longer; length (skins), 110-121 (115); wing, 57.5-62 (59.5); tail, 32-35 (33.5); culmen, 21.5-26.5 (24.1).[1]
Young. — Similar to adults, but color of under parts much duller, the chm, throat, and chest wholly dull metallic bronze-green, with underlying portion of feathers grayish dusky.
Lesser Antilles (islands of Barbados, Union, Carriacou, Canouan, Bequia, St. Vincent, Santa Lucia, Martinique, Dominica, Marie Galante, Desirade, Grand Terre, Guadeloupe, Montserrat, Antigua, Barbuda, Nevis, St. Christopher, St. Eustatius, Saba, St. Bartholomew, and Sombrero), and Virgin group (islands of St. Croix, Anegada, Virgin Gorda, Tórtola, St. Johns, St. Thomas, and Culebra).
- [Trochilus] holosericeus Linnæus, Syst. Nat., ed. 10, i, 1758, 120 (based on Black-bellied Green Humming-bird Edwards, Gleanings, i, pl. 36, etc.); ed. 12, i, 1766, 191. — Gmelin, Syst. Nat., i, pt. i, 1788, 491. — Latham, Index Orn., i, 1790. 305. — Temminck, Cat. Syst., 1807, 81.
- Trochilus holosericeus Audebert and Vieillot, Ois. Dorés, i, 1801, 19, pl. 6 ("Porto Rico"). — Vieillot, Nouv. Diet. d'Hist. Nat., vii, 1817, 357 ("Mexico;" "Guiana;" "Porto Rico;" "St. Domingo"). — Lesson, Hist. Nat. Colibr., 1830-31, 76, pl. 20 (St. Thomas; "Porto Rico;" Martinique); Index Gen. et Synop. Troch., 1832, p. xi.
- T[rochilus] holosericeus Vieillot, Tabl. Enc. Méth., ii, 1822, 551.
- P[olytmus] holosericeus Gray, Gen. Birds, i, Dec, 1848, 108.
- [Polytmus] holosericeus Gray, Hand-list, i, 1869, 130, no. 1649.
- [Eulampis] holosericeus Bonaparte, Consp. Av., i, 1850, 72; Rev. et Mag. de Zool., 1854, 250.— Sclater and Salvin, Nom. Av. Neotr., 1873, 81, part. — Mulsant, Ann. Soc. Linn. Lyon, xxii, 1876, 211, part. — Cory, List Birds West Ind., 1885, 17, part.— Sclater, Proc. Zool. Soc. Lond., 1889, 395 (Santa Lucia).
- Eulampis holosericeus Gould, Mon. Troch., pt. xiv, 1857 (vol. ii, 1861), pl. 83; Inti-od. Troch., oct. ed., 1861, 68. — Cassin, Proc. Ac. Nat. Sci. Phila., 1860, 377 (St. Thomas). — Sclater, Cat. Am. Birds, 1862, 291; Proc. Zool. Soc. Lond., 1871, 272 (Santa Lucia); 1874, 175 (Barbados); 1883, 499 (Anguilla); 1892, 499 (Anguilla). — Taylor, Ibis, 1864, 170 (Martinique; Dominica; habits). — Mulsant and Verreaux, Classif. Troch., 1866, 42; Hist. Nat. Ois.-Mouch., ii, livr. 2, 1875, 134; Suppl., pl. 41. — Semper, Proc. Zool. Soc. Lond., 1872, 651 (Santa Lucia; descr. nest). — Elliot, Ibis, 1872, 35 (St. Thomas; St. Croix; Martinique; Dominica; Santa Lucia; synon.; crit.); Classif. and Synop. Troch., 1879, 42 (excl. syn. part). — Salvin, Cat. Birds Brit. Mus.,xvi, 1892, 105 (excl. syn. part). — Lawrence, Proc. U. S. Nat. Mus., i, 1878, 60 (Dominica; habits), 192 (St. Vincent), 234 (Antigua); i, 1879, 358 (Martinique), 458 (Guadeloupe), 487, part (Barbuda; Antigua; Guadeloupe; Dominica; Martinique; St. Vincent). — Allen, Bull. Nutt. Orn. Club, v, 1880, 167 (Santa Lucia). — Lister, Ibis, 1880, 42 (St. Vincent). — Grisdale, Ibis, 1882, 486 (Montserrat; habits). — Cory, Auk, iii, 1886, 351, part; iv, 1887, 96 (Martinique); vii, 1890, 374 (Anegada), 375 (Tortola; Virgin Gorda); viii, 1891, 47 (Antigua; St. Eustatius), 48 (St. Croix; St. Christopher; Guadeloupe); Birds West Ind., 1889, 146, part; Cat. West Ind. Birds, 1892, 13, 106,
- ↑ Sixteen specimens.
