BIRDS OF NORTH AND MIDDLE AMERICA. 355 



Mus., xvi, 1892, 28G (Choctum, Cliisec, and Coban, Guatemala). — Salvin 



and GoDMAN, Biol. Centr.-Am., Aves, ii, 1892, 321. 

 Pampa pampa Elliot, Classif. and Synop. Troch., 1879, 22, in text. 

 [S phenoproctus] pampa Sclater and Salvin, Nom. Av. Necitr., 1873, 79. 

 S phenoproctus {Campylo plcrus) pampa Mulsant and Verreaux, Hist. Nat. 



Ois.-Moiich., iv, livr. 2, 1877, 147 (Guatemala). 

 Pampa cainpi/lopk'ra Reichenbach, Aufz. der Colibr., 1851, 11; Troch. Enum., 



1855, 9, 1)1. 800, figf. 4861, 48G2. 

 [Pampa] lessoni Simox, Oat. Troch., 1897, 8 (Guatemala). — Sharpe, Hand-list, 



ii, 1900, 101 ((luatemala; n. Yucatan). 

 P[ampa] lessoni IIartert, Das Tierreich, Troch., 1900, 30 (monogr.). 



PAMPA PAMPA CURVIPENNIS (Lichtenstein). 



CURVE-WINGED SABER-WING. 



Similar to P. p. pampa but bill decidedly loiio:er, under j)arts iiuich 

 jialer (dull grayish wliitc instead of drab-gray), and pileuni duller 

 and more greenish or less violaceous l)lue. 



Adult wa?^.— Pileum rather dull metallic violet-l:)lue, varying to 

 greenish blue; rest of up])er j^arts bright metallic l)ronze or bronze- 

 green, the middle pair of rectrices varying from l^ronze-green to 

 bluish green, the next pair similar but passing into blackish terminally, 

 the rest mostly dull black (faintl}^ glossed) with basal portion of 

 outer web bronze-green, the outermost edged for terminal half (more 

 or less) with grayish brown (sometimes with outer web mostly of 

 this color) and sometimes with a streak of the same near shaft; 

 remiges dark brownish slate or dusky, very faintly glossed with 

 I)urplish bronzy; auricular and suborbital regions brownish gray; 

 loral and malar regions, together with whole of under parts very 

 pale gray or dull grayish wdiite, the under tail-coverts inclining 

 more or less to brownish bull" (sometimes decidedly of this color) 

 with the central or mesial portion indistinctly dull grayish; bill 

 dull black; iris dark brown; feet dusky brownish (in dried skins); 

 length (skins), 129-143 (136); whig, 65-68.5 (66.8); tail, 50-55.5 

 (52.5); culmen, 26-29.5 (27.3).« 



Adult female. — Similar to the adult male but middle rectrices less 

 elongated, lateral rectrices broadly tipped with dull gray, and blue 

 of pileum usually duller, sometimes replaced on forehead with dull 

 dusky grayish; length (skins), 120-130 (125); wing, 60-68 (63.6); 

 tail, 46-50 (47.4); culmen, 26-27.5 (26.6).^ 



Young. — Similar to adults but under parts tinged or suffused 

 with brownish buffy.*^ 



o Nine specimens. 



b Four specimens. 



c A specimen in the Biological Survey Collection (no. 15875G, coll. U. S. Nat. 

 Mus.) from Metlaltoyuca, Puebla, with sex determined as male by the collector 

 but probably a female or immature male, differs from all other specimens examined 

 in having the green of back, etc., much more bronzy and blue of pileum decidedly 

 greenish. 



