550 



BULLETIN r,0, UNITED STATES NATIONAL MUSEUM. 



primaries dusky grayish brown very narrowly and indistinctly edged 

 with paler; a pale yellow orbital ring, less distinct but scarcely inter- 

 rupted on middle of upper eyelid; lores mixed pale yellowish and 

 dusky grayish ; rest of sides of head and sides of neck similar in color 

 to back but slightly paler, gradually fadmg below into pale yellow 

 (more or less tinged with olive) on chin and throat; chest and sides of 

 breast light yellowish olive, gradually becoming paler toward flanks; 

 rest of under parts pale yellow (primrose to straw or nearly sulphur 

 yellow) ; axillars and under wing-coverts primrose yellow, the 

 outermost coverts with dusky grayish centers; inner webs of remiges 

 edged with pale grayish bufi^y; maxilla brownish black, mandible 

 wholly pale yellowish (buffy or very pale brownish in dried skins) ; 

 iris brown; legs and feet dusky brown to brownish black. 



Young. — Similar to adults, but upper parts duller (less greenish) 

 olive, wing-bands buff, and 3'ellow of under parts paler. 



Adult male.—ljength (skins), 116-127 (121); wing, 65-70 (67.7); 

 tail, 49.5-55.5 (52.6); exposed culmen, 11-11.5 (11.3); tarsus, 15.5-17 

 (16.5); middle toe, 8.5-9.5 (8.9)." 



Adult female.— hength (skins), 107-126 (118); wmg, 62.5-65 (63.6); 

 tail, 47-52 (50); exposed culmen, 11-11.5 (11.1); tarsus, 16-17 (16.7); 

 middle toe, 8-9 (8.6). ^ 



Eastern North America, north to Newfoundland, southern Lab- 

 rador, Quebec (Pointe des Monts), Ontario, and Manitoba, accident- 

 ally to southwestern Greenland (two specimens); breeding southward 

 to Maine, northern New York (Madison County), mountains of Penn- 

 sjdvania (Lycoming and Bradford counties), northern Indiana (Lake 

 County)?, northeastern Illinois (Cook County)?, northern Minnesota 

 and North Dakota (Stump Lake); migrating southward through 

 eastern Mexico (States of Tamaulipas, Vera Cruz, Oaxaca, Campeche, 

 and Chiapas), Guatemala (Dueiias; Choctum; Retalhuleu; Nenton), 

 Honduras (Truxillo; San Pedro), Nicaragua (Ometepe; Sucuya; Rio 

 Escondido), and Costa Rica (San Jose; Navarro; Angostura; Grecia; 



« Twelve specimens. 

 b Five specimens. 



