BIRDS OF NORTH AND MIDDLE AMERICA. 541 



LEPIDOPYGA BOUCARDI (Mulsant). 



BOTJCARD'S HUMMING BIRD. 



Adult male. — Above metallic bronze-green, passing into a more 

 decided bronze hue on upper tail-coverts and middle rectrices; rec- 

 trices (except middle pair) bronze or greenish bronze basally and dull 

 blackish or dusky terminally, the dusky decreasing in extent from the 

 outermost rectrix, on which it occupies approximately the terminal 

 half, to the fourth, on which it is confined to the tip; remiges dusky 

 or dull brownish slate, very faintly glossed with bluish, the primary 

 coverts similar but slightly darker and sometimes faintly glossed with 

 green terminally; chin, throat, and chest brilliant metallic emerald 

 green, the feathers pure white beneath surface, this more or less 

 exposed, especially on upper throat; sides more bronzy green, the 

 feathers grayish white or pale gray basally; rest of under parts 

 white, the breast, at least laterally, more or less spotted with metallic 

 green; maxilla dull black; mandible pale (flesh colored in life), dusky 

 terminally; iris dark brown; legs and feet dusky; length (skins), 

 93-99 (95); wing, 52-55 (53.9); tail, 31-35 (32.4); culmen, 19-19.5 

 (19.3).« 



Adult female. — Similar to the adult male, but chin, throat, and 

 chest white, the throat usually sparsely spotted with dull metallic 

 emerald green; under parts of body more extensively wdiite; lateral 

 rectrices extensively but indistinctly tipped with pale brownish gray; 

 length (skins), 90-96 (94) ; wing, 50.5-55 (52.8) ; tail, 30-32.5 (31.6) ; 

 culmen, 19-21.5 (20.1).« 



Pacific coast of Costa Rica (Punta Arenas; Pigres; Coronada de 

 Terraba; Palo Verde, Guanacaste). 



Arena boucardi Mulsant, Descr. espece nouv. Troch. [presentee Soc. Linn. Lyon, 

 Oct. 12, 1877], 6 (Punta Arenas, Costa Rica; coll. Paris Mus.). — Mulsant and 

 Verreaux, Hist. Nat. Ois.-Moucli., iv, livr. 3, 1878, 194, pi. 121. 



Arinia boucardi Mulsant and Verreaux, Hist. Nat. Ois.-Mouch., Suppl. plates, 

 pi. 18.— Elliot, Classif. and Synop. Troch., 1879, 209.— Salvin, Cat. Birds 

 Brit. Mus., xvi, 1892, 193.- — Salvin and Godman, BioL Centr.-Am., Aves, 

 ii, 1892, 286.— BoucARD, Gen. Hum. Birds, 1895, 136.— Zeledon, Cat. Aves 

 de Costa Rica, 1882, 21; Anal. Mus. Nac. Costa Rica, i, 1887, 122.— Ridgway, 

 Condor, vii, 1905, 154, in text (Pigres, Costa Rica). 



Sapphironia boucardi Boucard, Proc. ZooL Soc. Lond., 1878, 71 (Punta Arenas). 



[Polyerata] boucardi Simon, Cat. Troch., 1897, 12. 



A[gyrtria] 6owcardi Hartert, DasTierreich, Troch., 1900, 47 (monogr.). 



[A(jyrtria] boucardi Sharpe, Hand-list, ii, 1900, 105. 



Agyrtria boucardi Carriker, Ann. Carnegie Mus., vi, 1910, 524 (Palo Verde, 

 Guanacaste, and El Corona de Terraba, Costa Rica; habits). 



o Ten specimens. 



