662 BULLETIN 60, UNITED STATES NATIONAL MUSEtTM. 



grayish brown on sides and flanks; edge of wing yellow; bill black; 

 iris brown; legs and feet light brown (in dried skins). 



Adult male in autumn and winter. — Similar in coloration to spring 

 or summer specimens, but hinder crown and occiput decidedly brown, 

 olive-green of back, etc., clearer (less grayish), and bill much lighter 

 in color, the mandible pale brownish (flesh colored or lilaceous in life?), 

 darker terminally, the maxilla dark brown or dusky with paler tomia. 



Adidt female in apring and summer. — Head without any black or 

 gray; pileum grayish olive, the forehead or anterior portion of crown 

 (sometimes both) more or less strongly tinged with cinnamon-brown; 

 sides of head similar in color to pileum, but paler, especially on super- 

 ciliary and orbital regions; otherwise similar in coloration to the adult 

 male, but j^ellow of under parts paler and duller, sometimes distinct 

 only on under tail-coverts. 



Adult female in autumn and winter. — Similar to spring and summer 

 specimens, but plumage softer and colors slightly deeper. 



Youiuj male in first autumn and winter. — Similar to the adult male 

 of corresponding season, but black "mask" only partially developed 

 the pileum entirely olive-brown (or with admixture of black feathers 

 on forehead), no graj' on head, and colors generally duller, more 

 suffused. 



Young female in first autumn and 'lointer. — Similar to the adult 

 female of corresponding season, but under parts pale dull buffy, or 

 pale maize yellow (without any clear 3'-ellow), becoming brownish on 

 sides and flanks. 



Young, first plumnge {sexes alike). — Above plain brownish olive, 

 becoming more olive-greenish on remiges and rectrices; middle and 

 greater wing-coverts indistinctly tipped with pale buff'y brown ©r 

 cinnamon; throat, chest, sides, and flanks pale buffy olive, the last 

 tinged with cinnamon; rest of under parts pale buffy yellowish. 



Adult waZe.— Length (skins), 104-120 (111); wing, 49-56.5 (52.9); 

 tail, 45-52.5 (49.3); exposed culmen, 9.5-12 (10.5); tarsus, 19.5-21 

 (20.1); middle toe, 12.5-14 (12.9).' 



Adult female.— L,ength (skins), 102-112 (108.6); wing, 46-53.5 (49.7); 

 tail, 42-50 (46.9); exposed culmen, 9-10 (9.7); tarsus, 19-20.5 (19.7); 

 middle toe, 12-13 (12.5).' 



Atlantic coast district of United States; breeding in Virginia, Dis- 

 trict of Columbia, Maryland, and southern Pennsylvania (Carlisle)— 

 probably also in Delaware and southern New Jersey and in upland 

 portions of the Carolinas and Georgia;" accidental in southwestern 

 Indiana (Wheatland, Knox County, one specimen, May 5, 1885); south 

 in winter to Bahamas (Eleuthera, Abaco, New Providence, Watlings, 

 Concepcion, Rum Cay, Green Cay, and Cat islands). 



' Forty-two specimens. 



^ Nine speciniensi, from District of Columbia. 



'SoutVicrn limit of breeding range not determined. 



