96 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
Adult female.—Length (skins), 123-148 (134); wing, 57-63 (60); 
tail, 51-64 (57.4); culmen, 14-17 (15.9); tarsus, 20.5-23.5 (22.4); 
middle toe, 12.5-14 (13.2).2 
Southeastern Mexico, in States of Vera Cruz (Playa Vicente; 
Sochiapa; Santa Lucrécia; Buena Vista), Tabasco (eapa), and 
Chiapas (Palenque), and southward through Guatemala (Coban; 
Chocttim; sources of Rio de la Pasién; Yzabal; Los Amates, Yzabél; 
Teleman; Chiséc), British Honduras (Belize; near Manatee Lagoon), 
Honduras (Omoa; San Pedro; San Pedro Sula; Rio Blanco; La 
Bomba), Nicaragua (Matagalpa; Los Sébalos; Greytown; Rio Escon- 
dido; Sucuy4; San Emilis; 4 leagues south of Lake Manaégua) and 
Costa Rica (Tucurriqui; Pacuare; San Carlos; Jiménez; El Hogar; 
Guaécimo; Gudpiles; Carrillo; Turrialba; Guayabo; Angostura; Juan 
Viiias; Rio Sicsola; Talamanca; Naranjo de Cartago; Pozo Azil de 
Pirris; Pozo del Rio Grande; Pozo de Térraba; Térraba; Buenos 
Aires; Boruca; Barranco, Boruca; Tenério; El Generdl; Pigres; 
Lagarto; Bebedero; Miravalles; La Vija4gua; Cerro Santa Maria) to 
western Panama (Santa Fé de Verégua; Divala; Bugaba ; Mina de 
Chorcha). 
Cercomacra tyrannina (not Pyriglena tyrannina Sclater) Scuater, Proc. Zool. 
Soc. Lond., 1859, 383 (Playa Vicente, Vera Cruz); Cat. Am. Birds, 1862, 
184, part (Choctim, Guatemala; Omoa, Honduras); Cat. Birds Brit. Mus., 
xv, 1890, 265, part (Chiséc, Chocttim, and sources of Rio de la Pasién, Guate- 
mala; Omoa, Honduras; Tucurriqui, Costa Rica; Santa Fé, Bugaba, and 
Mina de Chorcha, w. Panam4).—Moorg, Proc. Zool. Soc. Lond., 1859, 55 
(Belize, Brit. Honduras; crit.)—Scrater and Sauvin, Ibis, 1859, 119 
@ Thirty-nine specimens. 
Locality. Wing. | ‘Tat. | Sue | Tee [eacle 
MALES. 
Three adult males from southeastern Mexico (Vera Cruz)..-... 63.5 60.5 16 22.5 12.8 
Ten adult males from Guatemala..............2-....02-22-2 eee 63.7 59 16.9 22.7 13.2 
Five adult males from Honduras...........-.22--.022ee eee eres 63.1 60.5 17.2 23 13.4 
Four adult males from eastern Nicaragua.................-..-- 62.4 58.6 16.7 23 13.2 
One adult male from western Nicaragua oe 63 58.5 17.5 22.5 13.5 
One adult male from British Honduras......................-- 63 BBB ieiccinicie cf uaassaeos 14 
Ten adult males from eastern Costa Rica...........-........-. 63.3 56.8 16.2 23.3 13.8 
Ten adult males from western Costa Rica...........-....2...-. 63.4 58.4 16.4 23.2 13.7 
FEMALES. 
Two adult females from southeastern Mexico.................. 61 55 16 21.3 13 
Nine adult females from Guatemala...............---.2.--222- 60. 4 60.8 16.2 22.3 13.1 
Three adult females from British Honduras.................... 59 60.8 15 22.5 13.2 
Three adult females from Honduras..............---.2-2.2.--- 61.2 55.5 16.8 23 13 
One adult female from eastern Nicaragua.......-...--.-.....-- 57.5 52.5 17 22 13 
One adult female from western Nicaragua........ 58 53.5 16 22.5 13 
Ten adult females from eastern Costa Rica........ 60.2 56.4 15.6 22.8 13.4 
Ten adult fomales from western Costa Rica 59.6] 56 14.2] 22.3 18.2 
