20 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
(skins), 154-189 (165); wing, 70-78 (74); tail, 63-73.5 (67.3); 
culmen, 22-25 (23.4); tarsus, 24-25.5 (24.8); middle toe, 15-16 (15.5).° 
Adult female.—Forehead pale buff to tawny-buff, barred with 
black; rest of pileum cinnamon-rufous or rufous-chestnut, usually 
with some of the feathers more or less distinctly barred or margined 
terminally with black or dusky; rest of upper parts black, or sooty 
black, broadly and sharply barred with buff or tawny-buff, the bars 
on rectrices narrower, more or less curved, and more brownish; 
sides of head and neck and entire under parts pale buff to tawny- 
buff or nearly clay color, narrowly barred with black or sooty 
black, the bars usually narrower on chin, throat, and abdomen; 
bill, iris, legs, and feet as in adult male; length (skins), 149-175 
(169); wing, 71-78 (74); tail, 65-72.5 (69.2); culmen, 21-25 (22.6); 
tarsus, 24-26 (25); middle toe, 14-16 (15.3).¢ 
Immature male.—Similar to the adult female (perhaps not always 
distinguishable) but under parts less conspicuously barred, the chin, 
throat, and abdomen nearly immaculate buff; iris reddish brown.? 
Nicaragua (Rio Escondido; Los Sabalos), Costa Rica (Angostura; 
Siptrio; Jiménez; Rio Frio; Rio Sdcio; Bonilla; Guayabo; Carrillo; 
Cu4bre; El Hogar; San Carlos; La Cristina; La Vijagua), and 
Panama (Santa Fé de Verégua; Mina de Chorcha; Calovévora; 
Calobre; Santiago de Verégua; Lion Hill; Panama; Pintada, Coclé; 
@Twenty specimens. 
b Sometimes the color approaches buffy white on sides of head, chin, and throat. 
¢ Twenty specimens. 
Locality. Wines | oad, | Sab) Fee | dale 
MALES. 
Three adult males from Nicaragua. ........-........-.202-2ee ee 76.2 68.7 23.7 25 15.5 
Ten adult males from Costa Rica............-----+--22- eee eee 74.4 67.9 23.8 24.8 15.7 
Seven adult males from Panamé....................--0222----+ 72.5 66 23 24.7 15.3 
One adult male from Ecuador. ................02 cee eee eee eee 82 67 24.5 24.5 15.5 
Two adult males (C. l. lineatus) from Venezuela.........-...-- 74 68 21.5 25.2 15 
One adult male (C. J. lineatus) from British Guiana............ 7 val 24.5 25 15.5 
Six adult males (C. J. lineatus) from Lower Amazon........... 73.2 72.2 22.8 25.1 15.2 
FEMALES. 
Four adult females from Nicaragua................2-.0--02-5-- 74.6 69.6 23. 2 25.9 15.7 
Ten adult females from Costa Rica..........-........0.ee eens 74.6 70 22.1 24.7 15.3 
Six adult females from Panaméa................222..ee ee eee eee 72.6 67.6 23.1 24.7 15 
Two adult females (C. 1. lineatus) from Venezuela.............. 74.5 67.5 22.2 24 15.2 
Two adult females (C. 1. lineatus) from Cayenne............... 74 71.2 22.7 24.2 15.5 
One adult female (C. J. lineatus) from Lower Amazon.......... 75.5 71.5 23.5 27 15.5 
The specimen from Ecuadér agrees much better in coloration with examples from 
Panamé than with true C. lineatus. 
@ Heyde, manuscript. 
