BIRDS OF NORTH AND MIDDLE AMERICA. 539 



c. Flanks mostly metallic green or bronze-green; lateral rectrices b;'oadly tii)i)ed 

 with pale gray and with basal portion bluish black. 



Lepidopyga caeruleUgolaris, adult female (p. 5,'{9). 

 cc. Flanks mostly white; lateral rectrices narrowly tipped with pale gray and 

 with basal portion extensively bronze or bronze-green. 



Lepidopyga boucardi, adult female (p. 541). 

 bb. Chin, throat, and chest mostly green. 

 c. Green of chest strongly bluish. 



Lepidopyga coelina, adult female (extralimital). 

 cc. Green of chest not strongly bluish. 



Lepidopyga goudotl, adult female (extralimital). 



LEPIDOPYGA C^ERULEOGULARIS (Gould). 



DUCHASSAIN'S HUMMING BIRD. 



Adult male. — -Above rather bright nietalhc green or bronze-green, 

 the upper tail-coverts with basal portion usually more decidedly 

 bronzy; middle pair of rectrices varying from bronze-green to bronze, 

 sometimes darker (rarely blackish) terminally; rest of tail dull blue- 

 black or black glossed with bluish; remiges dark brownish slate or 

 dusky, faintly glossed with violaceous; chin, throat, and chest 

 bright metalhc violet-blue, more decidedly violaceous centrally, less 

 so (sometimes greenish blue) exteriorly; breast, sides, flanks, and 

 abdomen metallic green or bluish green; under tail-coverts bright 

 metallic green or bronze-green, broadly margined with white or 

 grayish white; femoral tufts white; maxilla dull black, mandible 

 pale brownish or dull whitish (pink or reddish in life) with terminal 

 portion dusky; iris dark brown; feet dusky; lengtli (skins), 84-97 

 (90); wing, 46.5-52 (49.8); tail, 27-34 (31.8); culmen, 16-19 (17.8) .« 



Adult female. — Above metalhc bronze-green, the middle pair of 

 rectrices more bronzy, darker terminally; other rectrices black, 

 faintly glossed with bluish, and broadly tipped with grayish white, 

 this more or less clouded with gray, especially on outer web; remiges 

 brownish slate or dusky, faintly glossed with violaceous; malar 

 region, chin, throat, median portion of chest and breast, abdomen, 

 flanks, anal region, and under tail-coverts plain white, famtly tinged 

 with pale grayish; sides of chest and l)reast and anterior portion of 

 sides metallic green; bill, etc., as in adult male; length (skin), 89.5; 

 wing, 48; tail, 30; culmen, 20.^ 



Panama (near David; Calobre; Castillo; Laguna del Castillo; 

 Cordillera del Chucu; Santa Fe de Veragua; Panama; Punta de 

 Sabana, near Panama; Lion Hill; Paraiso; Colon; Nata, Code) and 

 northern Colombia (Cartagena; Cienega). 



Trochilics ( ?) cseruleogularis Gould, Proc. Zool. Soc. Lend., 1850, 163 



(David, Chiriqui, Panamd; coll. J. Gould). 



a Nine specimens. b One specimen. 



