374 REPORT OF NATIONAL MUSEUM, 1890. 



dried skins), black terminally; length, dried skins, 3.40-3.05; before skin- 

 ning, 3.75-4.10;* wing, 1.95-2.08; tail. 1.20-1.35 (forked for 0.25-0.40), 

 exposed culmen, 0.75-0.87. Adult female, metallic green, or bronzy- 

 green above, becoming dull brownish gray on forehead ; middle tail- 

 feathers metallic green or bluish green, usually shaded with blue-black 

 terminally or subterminally, the other tall-feathers greenish basally,then 

 blue-black, their tips brownish gray (much broadest on exterior feather) ; 

 lower parts light brownish gray, more or less washed with metallic 

 green on sides of breast ; a white spot or short streak behind eye ; length, 

 dried skins, about 3.25-3.40; before skinning, about 3.95 1; wing, 1.90- 

 2.10; tail, 1.15-1.20 (forked for about 0.12-0.25); exposed culmen, 

 0.75-0.87. 



Adult male (No. 99218, Santa Rita Mountains, Arizona, June 28, 1884 ; 

 E. W. Nelson) : Above metallic grass-green (some of the feathers tinged 

 with bluish green in certain lights), the forehead much duller; remiges 

 dull brownish slaty, very faintly glossed with purplish: upper tail-coverts 

 metallic bluish green; tail glossy blue-black, the four middle feathers 

 tipped with dull brownish gray, this about .10 of an inch wide on middle 

 pair. Chin and throat rich metallic cobalt-blue, gradually changing 

 posteriorly to metallic bluish grass-green, which color covers uniformly 

 the chest, breast, belly, sides, and flanks; thigh tufts pure white; under 

 tail-coverts white on edges (broad), pale brownish gray medially. Bill 

 light brownish (red or flesh-colored in life), about the terminal third 

 blackish; feet dusky, Length, dried skin, 3.50; wing, 2.05; tail, 1.30 

 (forked for 0.25) : exposed calmen, 0.87. 



Adult female (No. 111646, Tucson, Arizona, April 22, 1884; E. W. 

 Nelson): Above metallic green, glossed with bronze, changing to dull 

 brownish gray on top of head, and to a more bluish green on upper tail- 

 coverts and two middle tail-feathers; outer tail-feathers brownish gray, 

 crossed by a broad subterminal band of blue-black, about .30 of an inch 

 wide along shaft and removed about the same distance from the tip ; 

 the terminal gray space somewhat paler than the basal one ; next feather 

 has the basal gray space glossed with bluish green and the terminal 

 gray space much reduced in size, forming a triangular spot; third 

 feather has the basal portion metallic bluish green, and the terminal 

 gray spot still smaller; fourth similar, but with merely a slight terminal 

 edging of grayish; remiges dusky brownish slate, very faintly glossed 

 with purplish. Chin, malar region, throat, chest, breast, belly, sides, 

 and flanks plain light brownish gray, the sides of the breast washed 

 with metallic green and the flanks tinged with brownish ; under tail- 

 coverts white, the shorter feathers tinged with brownish gray. An 

 oblique broad postocular streak of dull white, immediately above the 

 ear-coverts, the latter dusky. Upper mandible black ; lower brownish 



* Extent of wings, 4.98-5.05. 

 t Extent of wings, 5.05. 



