362 BULLETIN TjO, UNITED STATES NATIONAL MUSEUM. 



[Campylopterus] rufus Sclater and Salvin. Nom. Av. Neotr., 1873, 79. — 



Sharpe, Hand-list, ii, 1900, 102. 

 C[a7npyloj)terus\ rufus Hartert, Das Tierreich, Troch., 1900, 33 (monogr.). 

 P[olylmus\ rufus Gray, Gen. Birds, i, Dec, 1848, 107. 

 [Polytmus] rufus Gray, Hand-list, i, 1869, 124, no. 1565. 

 Platy stylo pterus rufus Reichenbach, Aufz. der Colibr., 1854, 11; Troch. Enum., 



1855, 8, pi. 789, figs. 4834-5. 

 Saepiopterus rufus Boucard, Gen. Hum. Birds, 1895, 360. 



Genus PH^^OCHROA Gould. 



Phseocliroa "■ Gould, Introd. Troch., oct. ed., 1861, 55. (Type, Trochilus mvieri 

 Delattre and Bourcier.) 



Rather large Trocliilidse (length about 115-120 mm.) with bill 

 slightly longer than head, strong, nearly straight, narrowly ciineate 

 in vertical profile; wing about three times as long as exposed culmen, 

 the outer primary longest, its shaft more or less thickened toward 

 base, especially in adult males; tail more than three-fifths as long- 

 as wing, slightly or moderately rounded, tlic rectrices rather broad 

 but contracted terminally where narrowly rounded; plumage very 

 dull — dull metallic bronze-green above, pale dull bronze-greenish on 

 anterior under parts, the posterior under parts pale grayish buffy; 

 lateral rectrices dull black, broadly tipped with white or whitish. 

 Sexes alike in color. 



Bill slightly to decidedly longer than head, stout, nearly straight, 

 broader than deep (except terminally), narrowly cuneate in vertical 

 profile; tomia smooth; culmen indistinctly ridged (distinctly so 

 basally); maxilla and mandible with lateral sulci rather indistinct. 

 Nostril narrow, slit-like, overhung by a rather narrow, straight- 

 edged (or at least not distinctly convex) operculum, feathered on 

 its upper and posterior portions. Tarsus feathered only on upper 

 anterior portion, rather stout, slightly shorter than middle and inner 

 toes, these equal in length, the outer slightly shorter; hallux slightly 

 shorter than anterior toes; middle toe united to outer for whole of 

 its basal phalanx, to inner toe for nearly as much; toes and claws 

 moderately strong. Wing at least three times as long as exposed 

 culmen, the outermost primary longest, its shaft very rigid, more or 

 less thickened basally (especially in adult males). Tail more than 

 three-fifths as long as wing, slightly to moderately rounded, the 

 rectrices rather broad but somewhat abruptl}^ contracted terminally 

 into a rounded point. 



Coloration. — Dull bronze-green above, paler dull bronze-green 

 anteriorly beneath, with pale dull buffy margins to feathers, the 

 abdomen plain dull bufi'y, the under tail-coverts bronzy grayish, 

 margined with white; lateral rectrices black, broadly tipped vnih. 

 white or whitish. Sexes alike in color. 



« 0acbc, fuscus et Xp6a, color. (Gould.) 



