542 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



by a white or whitish spot, of greater or less extent,' at base of longer 

 primaries; rectrices darker and more gra.yish olive, edged with light 

 bluish or greenish gray, the inner web of outermost rectrix some- 

 times with an indistinct paler, rarely whitish, subterminal spot; a 

 whitish streak on upper and lower eyelids, the former continued back- 

 ward for a greater or less distance over auriculars; under parts, includ- 

 ing malar region, pale, dull olive-yellowish, shaded with olive laterally; 

 bill blackish; iris brown; legs and feet dusky horn color (in dried 

 skins). 



Adiilt female m autumn and winter. — Similar to the spring and 

 summer plumage, but color of upper parts brighter, more greenish 

 olive, under parts more decidedly yellowish, bill browner, and legs 

 and feet paler brown. 



'•'■First plumage, male. — Remiges and rectrices as in autumnal males, 

 the former slightly paler in color. Rest of upper parts, including the 

 wing-coverts, dark olive- brown; sides of head very dark brown; lores 

 black; throat, jugulum, lower eyelid, and a very conspicuous supra- 

 orbital line, pale buff; breast and sides ashy, tinged with ohve. 

 Abdomen, anal region, and crissum strong sulphur-yellow. White 

 spot on base of primaries fully developed. 



'■'■First plumage, fmnale. — Remiges and rectrices as in autumnal 

 female. Rest of upper parts, including wing- coverts and sides of 

 head, light olive-brown. Lores dull black. Superciliary line, both 

 eyelids, throat, jugulum, abdominal and anal regions, with crissum, 

 light buff. Breast and sides olive, tinged with buff. Spot on base of 

 primaries dirty white." ^ 



Adult ma^e.— Length (skins), 110-120 (114.3); wing, 62-67 (66,2); 

 tail, 49-54 (51.1); exposed culmen, 8.5-10 (9.4); tarsus, 17.5-19.5 (18.7).' 



Adult female.— Y^Qw^t'Q. (skins), 110-121 (114); wing, 60-63 (61.1); 

 tail, 47.5-51 (48.5); exposed culmen, 9-9.5 (9.2); tarsus, 18-19 (18.6).' 



Eastern North America, breeding from northeastern Connecticut 

 (Eastford), mountains of Pennsylvania (Bedford, Cambria, Clinton, 

 Fayette, Huntingdon, Mifflin, Somerset, and Warren counties), noiih- 

 ern Ontario (Muskoka, etc.), and southern Michigan (vicinity of 



^This spot often very small, sometimes obsolete. 

 ^ Brewster, Bull. Nuttall Orn. Club, iii, 1878, 57, 58. 

 ■' Seventeen specimens. 

 * Ten specimens. 



New England specimens compare in average measurements with those from Michi- 

 gan as follows: 



Locality. 



Wing. 



Tail. 



Ex- 

 posed 

 culmen. 



Tarsus, 



Twelve adult males £rom New England (including one from Long 



Island) 



Five adult males from Michigan 



65.1 

 66.4 



50.9 

 51.7 



18.6 

 19 



