BIRDS OF NORTH AND MIDDLE AMERICA. 157 
white anteriorly, where forming amore or less well-defined band against 
blackish of chest, the feathers of tibia and tarsus sooty blackish; bill 
(in dried skins) pale grayish yellow or yellowish gray; iris brown; 
naked eyelids sky blue or light azure blue; feet dusky horn color 
(in dried skins); length (skins), 256-303 (272); wing, 130-146.5 
(137.9); tail, 136-165 (148.2); culmen, 18-21.5 (19.7); tarsus, 13-15 
(13.9); inner anterior toe, 13-15 (14.1).# 
Adult female.—Similar to the adult male but metallic coloring of 
upper parts replaced by slate color or blackish slate; maxilla black, 
except lower basal portion; length (skins), 250-285 (267); wing, 
133-141.5 (136.4); tail, 138-155 (147); culmen, 17-21.5 (19.1); 
tarsus, 13-14.5 (13.9); inner anterior toe, 13-15 (13.7).2 
Immature male—Similar to the adult male but middle rectrices 
mostly dull black (the metallic coloring mostly confined to basal 
two-thirds of outer web of middle pair and basal outer edge of next 
two), lateral rectrices narrower at tip and with two or three white 
spots or bars on subterminal portion of outer web, and outer webs 
of secondaries and greater wing-coverts spotted and edged with 
white. 
Immature female.—Similar to the adult female but middle rectrices 
without distinct black tip, lateral rectrices narrower at tip and with 
outer web more or less spotted or barred with white, and secondaries 
edged with white. 
Eastern Mexico, from States of southern Tamaulipas (Tampico; 
Alta Mira), Vera Cruz (Catemaén; Orizaba; Jalapa; Playa Vicente; 
Uvero; Achotaél; Misantla; Laguna Verde; Tlalcotalpim; Minatitlan; 
Coatzocoalcos; Otatitlan; Motzorongo; Rivera; Santo Domingo; 
Pasa Nueva), Puebla (Rinconada), Mexico (‘‘City of Mexico’’), east- 
ern Oaxaca (Taxtepec), Tabasco (Teapa), Chiapas (Palenque), Cam- 
« Twenty-nine specimens. 6 Highteen specimens. 
Inner 
Locality. Wing. | Tail. | Ck | Tarsus.| ‘ante- 
a rior toe. 
MALES. 
Nine adult males from Tamaulipas (2) and Vera Cruz (7).....- 140.5] 155.7 20.1 14.2 14.4 
Ten adult males from Yueatan ....c..cc0cserwessisewereseuncene 136.7 | 147.5 19.3 13.8 14.1 
Ten adult males from Chiapas (1), Guatemala (2), British 
Honduras (1), Honduras (5), and eastern Nicaragua (1).....- 136.8 | 144.2 19.6 13.6 13.8 
Seven adult males ( 7’. m. illztabilis) from western Nicaragua..| 141.1] 148.9 21 14.4 14.4 
Ten adult males ( 7’. m. iletabilis) from western Costa Rica...) 145.6] 153.9 21.3 14.5 14.6 
FEMALES, 
Eight adult females from Mexico (1), Vera Cruz (5), Oaxaca 
(1)) and: Tabasco (1) cecexceciedce secs nsesenddeshcacsarteserece 136.4] 1485] 19.3 13.9 14,1 
Nine adult females from Yucatén................222--.0eeeeee ee 136.9 | 146.7 19.1 13.8 13.5 
One adult female from British Honduras....-.......-.--.-...- 133 138 17 
Ten adult females ( 7. m. illztabilis) from western Costa Rica..{ 144.3] 148.8 20.5 14,2 14.6 
