374 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



female with basal half (more or less) of lateral rectrices browTiish 

 gray instead of bronze-green and middle rectrices darker and much 

 duller bronze-green. 



Adult male. — Pileum and hindneck metallic bronze-green passing 

 into greenish bronze, bronze, or coppery bronze on back, scapulars, 

 wing-coverts, and rump; upper tail-coverts dusky brownish gray 

 (sometimes partly bronzy); tail slightly glossy blue-black, the four 

 middle rectrices tipped with deep brownish gray, the remaining 

 rectrices narrowly edged and terminally margined with the same ; 

 remiges dull slate color, faintly glossed with purplish, the outermost 

 primary narrowly edged with pale gray or grayish white; chin and 

 throat bright metallic emerald green (more bluish green, but never 

 blue, anteriorly), passing into metallic bronze-gi*een on rest of under 

 parts; anal tufts and tuft on each side of rump white; under tail- 

 coverts grayish white with a large subterminal spot of slightly glossy 

 bluish dusky or blue-blackish; terminal half (more or less) of maxilla 

 dull black, the basal portion brownish (reddish in life) ; mandible pale 

 brownish (reddish in life), passing into blackish terminally; iris dark 

 brown; feet dusky; length (skins), 86-94 (91); wing, 51-53. 5 (51.7); 

 tail, 31-35.5 (33.1); middle rectrices, 23-25.5 (24.2); culmen, 

 17.5-19 (1S.2).« 



Adult female. — Above metallic bronze-green, duller (sometimes 

 dull brownish gray) on forehead; remiges as in adult male; middle 

 pair of rectrices dusky metallic bronze-green, darker terminally or 

 subterminally ; remaining rectrices with basal half (more or less) 

 dull bronze-green, then bluish black, the tip (broadly on outermost) 

 brownish gray^ — the outermost rectrix with broAvnish gray (darker 

 basally) replacing bronze-green; under parts sooty gray or deep 

 drab-gray, slightly paler on chin, the sides (including sides of neck) 

 conspicuously glossed or spotted with metallic bronze-green; femoral 

 tufts and tuft on each side of rump white; under tail-coverts brown- 

 ish gray passing into grayish white on margins, sometimes with a 

 subterminal mesial streak of dusky; a small pale gray or grayish 

 white postocular spot, and beneath this a dusky space extending to 

 beneath eye; bill, etc., as in adult male, but maxilla mostly (some- 

 times wholly) blackish; length (skins), 87-93 (89); wing, 49.5-50.5 

 (50) ; tail, 28-30 (29.4) ; the middle rectrices, 25.5-27 (26.4) ; culmen, 

 19-21 (20.1).^ 



Tres Marias Islands (Maria Madre and Cleofa Islands), western 



Mexico. 



Circe latirostri/i (not Cynanthns latirostris Swainson) Grayson, Proc. Bost. Soc. 

 N. H.,- xiv, 1871, 282, part (Tres Marias).— Lawrence, Mem. Best. Soc. 

 N. H., ii, 1874, 292, part (Tres Marias; habits). 



o Five specimens. *» Four specimens. 



