BIRDS OP NORTH AND MIDDLE AMERICA. 



409 



length (skins), 86-102 (95); wing, 52-58 (54.9); tail, 30-35 (32.7); 

 culmen, 20-24 (21.3).« 



Young. — Essentially like adults, but anterior under parts much 

 duller metallic green, the chin and upper throat (at least) sometimes 

 grayish brown or brownish gray, mth little if any metallic gloss, and 

 feathers of pileum, rump, etc., tipped (more or less distinctly) \\dth 

 rusty. 



Lower Rio Grande Valley in Texas (Fort Brown ^') and southward 

 through eastern Mexico, in States of Tamaulipas (Tampico), Vera 

 Cruz (Play a Vicente; Cordova; Orizaba; Xochiapa; Choapam; 

 Buena Vista), Oaxaca (Guichicovi; Tuxtepec), Tabasco (Teapa; 

 Frontera; San Juan Bautista), and Chiapas (Tumbala; Yajalon), 

 Guatemala (Dueiias; Coban; Choctum; Lanquin; Guatemala City; 

 Los Amates, Yzabal; Santa Ana, Pet en), British Honduras (Orange 

 Walk; Corosal; Belize; Cayo), Honduras (Rio Segovia; Ceiba; 

 Yaruca), Nicaragua (Chontales; Los Sabalos; Grey town; Mata- 

 galpa; La Libertad; San Emilis; Rio Escondido), Costa Rica (San 



" Tliii'ty-six specimens. 



Locality. 



MALES. 



Ten adult males from southeastern Mexico 



Six adult males from Guatemala 



Seven adult males from British Honduras 



One adult male from Ilonduras 



Eight adult males from Nicaragua 



Ten adult males from eastern Costa Rica 



Four adult males from western Costa Rica 



Three adult males from Pananid. 



Ten adult males from Colombia 



One adult male from Venezuela 



Two adult males (4. t.jucunda) from western Ecuad6r. 



FEMALE.S. 



Three adult females from southeastern Mexico 



One adult female from Guatemala 



Ten adult females from Nicaragua 



Ten adult females from eastern Costa Rica 



Three adult females from western Costa Rica 



Three adult females from Panamil 



Six adult females from Colombia 



One adult female (A. t.jucunda) from western Ecuador 



With exception of specimens from western Ecuador, which differ from all others in 

 the decidedly more buffy and (especially in females) slightly paler color of the abdo- 

 men, I am not able to distinguish satisfactorily specimens from any of the geographic 

 areas indicated above, and therefore, for the present at least, consider them all as 

 representing a single subspecies. 



b Apparently of purely accidental occurrence on north side of Rio Grande. 



