Carriker : List of the Birds of Costa Rica. 513 



m. Edgings on coverts ashy; bronzy-green above. 



Saucerottia sophice, $ , 9 

 mm. Edgings on coverts white, green on upper parts, 

 especially of pileum, with a blue tinge. 



Saucerottia cyanifrons alfaroana, $ . 



II. Abdomen glittering violet-blue; under tail-coverts 



plain steel-blue; shining green above, bronzy on 



rump. Damophila panamensis, $ . 



kk. Abdomen white or whitish, under tail-coverts white or 



sooty-gray, edged with white. 



I. Abdomen white; coverts sooty-gray, edged with white. 



Saucerottia niveoventer , $ , 9 • 

 11. Abdomen and under tail-coverts white (tail 35 mm.). 



Agyrtria boucardi, $ , 



jj. Secondaries partially chestnut; under tail-coverts edged 



with rusty. Saucerottia cyanura impatiens, $ , 9 • 



hh. Rectrices tipped with white (wing 66 mm.); under parts mixed 



with white. Heliodoxa jacula henryi, 9 • 



ee. Tail neither blue, blue-green, nor chestnut. 



/. Lower parts soft shining green; feathers more or less edged with buffy ; 

 under tail-coverts green, edged with white; tail green, two outer 

 rectrices white-tipped, with a dusky blue subterminal area. 



Aphantochroa cuvieri, $ , 9 • 

 ff. Lower parts glittering green, abdomen purplish; tail and wings dusky 

 bronzy-purplish, 

 g. Under tail-coverts violet. Chalybura melanorrhoa, $ . 



gg. Under tail-coverts white; chest tinged with blue. 



Chalybura isaurce, $ . 

 dd. Throat and breast not shining or glittering green; if breast green, throat 

 largely or wholly of another color. 

 e. Under parts uniform cinnamon or buff-ochraceous, without dusky 

 spots on throat. 

 /. Central rectrices lengthened (15 mm. longer than outer); small 

 (wing 40 mm.). Phaethornis adolphi, $ , 9- 



ff. Central rectrices scarcely longer than outer. 



g. A white postocular streak; tail tipped with white; upper parts 



shining grass-green. 



h. Subterminal portion of rectrices grayish-sooty, no purplish 



edging on inner webs. Oreopyra cinereicauda, 9 • 



hh. Subterminal portion of rectrices dark metallic-blue; inner edge 



of outer rectrices purplish. 



Oreopyra castaneiventris calolama, 9 

 gg. No white postocular streak nor tips to rectrices; upper parts 

 bronzy-green. 

 Tail entirely chestnut-brown, with dusky-bronze tips. 



Amizilis cinnamomea, $ , 9 • 



