BIRDS OF NORTH AND MIDDLE AMERICA. 133 
to vandyke brown), usually with more or less distinct spots or broad 
streaks of blackish or dusky along outer edge, some of the brown 
feathers sometimes margined with whitish; under tail-coverts brown, 
tipped or margined with whitish or buffy; chin, throat, chest, breast, 
and abdomen immaculate white; maxilla brownish black, paler 
(sometimes whitish) terminally and along tomia; mandible dull 
whitish or pale dull yellowish (in dried skins), usually dusky basally; 
legs and feet horn color (in dried skins). 
Adult male.—Length (skins), 126-143 (1385); wing, 71-78 (75.1); 
tail, 41.5-49.5 (45.9); culmen, 17-19 (18.2); tarsus, 25.5-27.5 
(26.7); middle toe, 15.5-18.5 (17.4). 
Adult female——Length (skins), 126-138.5 (132); wing, 70-75.5 
(72.9); tail, 48-46.5 (44.4); culmen, 17-19 (17.3); tarsus, 25.5-27.5 
(26.6); middle toe, 16-18.5 (17.6).° 
Immature male-—Similar to adults but chest mostly light mummy 
brown, and white of breast, etc., more or less intermixed with the 
same. 
Honduras (Santa Ana; Chaloma), Nicaragua (Chontales; Rio 
Escondido; San Emilis, Lake Nicaragua), Costa Rica (Angostura; 
Navarro de Cartago; La Balsa; Jiménez; San José; Pacuare; San 
Carlos; Boruca; El Generél; Pozo del Rio Grande; Pozo Real de 
Térraba; Pozo Aztél de Pirris;. Voleén de Turrialba; El Hogar; 
Gu4piles; Cuabre; La Florida; La Cristina; La Vijagua) and 
western Panamé (Divala; Volcan de Chiriqui; Boquete). 
Pithys bicolor (not of Lawrence, 1863) LawRENcE, Ann. Lyc. N. Y., viii, 1868, 109 
(Angostura, Costa Rica).—Franrzius, Journ. fiir Orn., 1869, 306 (Costa 
Rica).—Satvin, Proc. Zool. Soc. Lond., 1870, 195 (Volcan de Chiriquf and 
and Bugaba, Panamé4; crit.).—Sciarer, Ibis, 1873, 373 (Chontales, Nica- 
ragua); Cat. Birds Brit. Mus., xv, 1890, 296, part (Bugaba and Volcan de 
Chiriquf, Panam4; La Balsa, Costa Rica; Chontales, Nicaragua).—Bovucarp, 
Proc. Zool. Soc. Lond., 1878, 62 (San Carlos, Costa Rica).—ZrLEDON, Anal. 
Mus. Nac. Costa Rica, i, 1887, 115 (Navarro de Cartago, Costa Rica).—Lantz, 
Trans. Kansas Acad. Sci. for 1896-97 (1899), 221 (Chaloma, Honduras). ° 
4 Nineteen specimens. b Thirteen specimens. 
Locality. Wing. | Tail. by Tarsus. Co 
MALES. 
Two adult males from Honduras...............22.22-0--02 22 eee 73.2 45.2 19 25.5 18 
One adult male from Nicaragua...............---.--------2++-- 74 44.5 18 27 18 
Ten adult males from Costa Rica..........---...-.------+-+++- 76 45.2 18.1 26.8 17.3 
Six adult males from western Panama..........-.....----+---- 74,2 47.5 18.4 26.6 17.2 
FEMALES. 
One adult female from Nicaragua.........-..------------------ 75.5 46 18.5 25.5 17 
Ten adult females from Costa Rica..........-.---.------------- 72,4 44.2 17.6 26.6 17.5 
Two adult females from western Panamdé...............-.----- 73.7 44.5 18.5 26.7 18,2 
