BIRDS OF NORTH AND MIDDLE AMERIOA. 667 
trix sometimes (in younger birds?) with light gray replacing chestnut- 
rufous, except on part of inner web; remiges dusky, faintly glossed 
with violaceous; under parts pale brownish gray laterally, whitish 
medially, the throat usually with a darker median stripe, often inter- 
mixed with metallic orange or golden feathers; bill, etc., as in adult 
males; length (skins), 84-96 (92); wing, 51-58 (53.7); tail, 29-35 
(30.9); exposed culmen, 13-17 (14.8).¢ 
Immature.—Similar to the adult female, as described above, but 
without any rufous on tail, the basal half, or more, of rectrices (except 
middle pair) being brownish gray, faintly glossed with greenish or 
bronzy, the shaft of that portion being whitish. Immature males to 
be distinguished by a greater or less number of scattered metallic red 
feathers on pileum and a median stripe of metallic orange or golden 
on throat or throat and chest. 
Young.—General color of upper parts cinnamon-rufous, this uni- 
form on rump, but broken elsewhere by exposed dusky basal portion 
of feathers, the hindneck glossed with metallic bronze; otherwise like 
the immature stage, described above, but under parts of body and 
under tail-coverts suffused with pale cinnamon-rufous and whitish tips 
to outer rectrices tinged with the same. 
Northern and eastern South America, from Colombia (Bogota; 
Bonda, Santa Marta; Rio Lima; Rio Cauquita; Cauca; Ocajfia; 
Cartagena; Bucaramanga), through Venezuela (Ciudad Bolivar; 
Caracas; Conejos; Cucuruti; Guaria; Cariaco; Caura; Caicaré4; 
mouth of Rio Meta; La Pricién), islands of Margarita, Blanquilla, 
Los Testigos, Bonaire, Aruba, Curacao, Tobago, and Trinidad, British 
Guiana (Georgetown, Demerara; Annai River), Cayenne (Sinna- 
mary), to Brazil (Macuca; Pernambuco; Paré; Bahia; Rio de 
Janeiro; Serra dos Organos; Minas Geraez; Goiaz; Porto Real); 
southwestern Costa Rica (San Pedro). 
[Trochilus] mosquitus Linnaus, Syst. Nat., ed. 10, i, 1758, 120 (‘‘Indiis”); ed. 
12, i, 1766, 192 (‘‘America’”).—Gray, Hand-list, i, 1869, 147, no. 1900. 
[Trochilus] moschitus Gmutin, Syst. Nat., i, pt. 1, 1788, 494.—Lataam, Index 
Orn., i, 1790, 316. 
Trochilus moschitus AUDEBERT and ViEILLoT, Ois. Dorés, i, 1801, 62, pl. 29 
(Brazil; Guiana).—Tremmincr, Cat. Syst., 1807, 82.—Viemzor, Nouv. Dict. 
d@’ Hist. Nat., vii, 1817, 372, pl. 13, 19, fig. 2(Cayenne; Brazil)—Jarpinz, Ann. 
and Mag. N. H., xx, 1847, 373 (Tobago).—CaBanis, in Schomburgk’s Reis. 
Brit. Guiana, iii, 1848, 705. 
T[rochilus] moschitus LicHtENSTEIN, Verz. Doubl., 1823, 14 (Brazil).—_Swarnson, 
Birds Brazil, Mex., etc., [1841?], pl. 30. 
Ornismya moschita Lesson, Hist. Nat. Ois.-Mouch., 1829, pp. xxviii, 166, pls. 
52-54 (Guiana); Les’ Trochilidées, 1831, 55, pl. 15; Index Gen. et Synop. 
Troch., 1832, p. xxxvi. 
Mellisuga moschita StrpHENs, in Shaw’s Gen. Zool., xiv, 1826, 253.—Lxoraup, 
Ois. Trinidad, 1866, 145. 
« Fifteen specimens. 
