BIRDS OF NORTH AND MIDDLE AMERICA. 



359 



length (skins), 12S-143 (136); wing, 68.5-7<S (73.9); tail, 50.5-56 

 (53.6); culmen, 30-35.5 (32.1).« 



Young male. — Above similar in coloration to adult female; below 

 dusky, glossed with bluish green, older specimens showing blue or 

 violet feathers of the adult dress appearing first on median hne of 

 throat and center of breast. 



Young female. — Similar to adult female but green of upper parts 

 more bronzy and throat with little if any metallic blue. 



Southern Mexico, in States of Vera Cruz (Jalapa; Cordova; Ori- 

 zaba; Iluatusco; Coatepec; Play a Vicente), Mexico (near City of 

 Mexico), Guerrero (Chilpancingo ; Omilteme), Oaxaca (Teotalcingo ; 

 Chimalapa ; Tehuantepec ; Sierra de Santo Domingo) , Tabasco (Teapa) , 

 and Chiapas (Tumbala; Gineta Mountains), and southward tlii'ough 

 Guatemala (Choctiim; Coban; Duenas; Guatemala City; Gualan; 

 Kamkal; Volcan de Fuego; Volcan de Agua; Totonicapam; Retal- 

 huleu), British Honduras (Manatee Lagoon), Honduras (Santa Ana), 

 Nicaragua (Matagalpa; San Rafael, Lake Nicaragua), and Costa Rica 

 (Cerro de la Candelaria; Escazii; Volcan de Irazii; La Estrella de 

 Cartago; Navarro de Cartago; Azahar de Cartago; La Palma de San 

 Jose; Tucurriqui; La Hondura; Juan Vifias; Tres Rios; Rancho 

 Redontlo; Cerro de Santa Maria; San Pedro; Santa Maria de Dota; 

 Ojuras de Terraba) to western Panama (Boquete; Volcan de Chiriqui; 

 Calovevora; Chitra; Cordillera del Chucu). 



Trochilus hemihucurus Lichtenstein, Preis.-Verz. Mex. Vog., 1830, 1 (Mexico): 

 Journ. fiir Orn., 1863, 56. 



a Thirty specimens. 



Locality. 



MALES. 



Ten adult males from southeastern Mexico 



Seven adult males from Chiapas (3) and Guatemala (4). . 



One adult male from British Honduras 



Ten adult males from Costa Rica 



Ten adult males from PanamA 



FEMALES. 



Five adult females from southeastern Mexico 



Six adult females from Chiapas (1) and Guatemala (5). .. 

 Two adult females from Honduras and British Honduras 



Ten adult females from Costa Rica 



Seven adult females from PanamA 



Wing. 



79.7 



SO. 7 

 82 

 79.9 

 77.6 



75.2 

 74.5 



76.7 

 73.9 

 71.6 



Tail. 



Ex- 

 posed 

 culmen. 



56 



65.6 



55.5 



58.2 



56.9 



53.1 



52.7 



54 



54 



53.9 



27.6 

 28. 5 

 27.5 

 29.9 

 29.8 



31.3 



31.4 



30.7 



33 



32.5 



After careful comparison of seventy adult males and thirty-two adult females I am 

 unable to appreciate any constant color differences between specimens from different 

 geographic areas. 



