328 REVIEW OF AMERICAN BIRDS. [PART I. 



back tinged with brown, and a wash of olive 



across the breast calidris. 



Superciliary stripe and cheek grayish-white,with- 

 out any buff. Breast and chin quite pure 

 white. Olive of back clear and pure ; the 

 ash of head well defined, and with little or 

 no tinge of olive ..... barbatula. 



Cap distinctly ashy, in decided contrast with the olive 

 back. No stripe on each side the chin. 



Outer quill about equal to, or very little shorter 

 than the fourth. Second longest. Wing 

 three inches long. 



Dusky edge of ashy cap very distinct. 

 Sides but slightly olivaceous. Cris- 

 sum and axillars faintly yellowish. 

 Inner edge of quills white. Concealed 

 portion of tail feathers wood brown. 

 Bill and feet pale brown . . . oUvacea. 

 9 Outer quill about midway between fourth and 



fifth. Second usually longest. Wing three 

 inches long. 

 Dusky edge of cap and whitish super- 

 ciliary line indistinct. Sides from 

 neck broadly olive yellow. Crissum 

 and axillars deep sulphur yellow. 

 Concealed portion of tail feathers 

 olive green. Inner edge of quills 

 yellowish ..... Jlavoviridis, 



Outer quill shorter than fifth, midway between 

 fifth and sixth. Third quill longest. Wing 

 Bot exceeding 2.80 inches. Dusky edge of 

 cap very distinct. Concealed portion of tail 

 feathers olive green. 



Sides broadly olivaceous. Crissum and 

 axillars sulphur yellow, less than in 

 Jlavoviridis. Length about 5.50. Wing 



2.80 agilis. 



Color of sides and crissum less intense. 



Size much smaller. Length 5.00. 



Wing 2.50. Tail feathers narrow . chivi. 



B. Bill short, weak ; gape more than twice the distance from 



nostril to end of bill. With spurious primary, except in 



philadelphicus. Cap not edged with dusky. 



No spurious primary. Cap ashy. Back olive. Under 

 parts sulphur yellow, paler on chin and abdomen. 



Second primary rather shorter than the sixth . philadelphica. 

 A short spurious primary, less than one-third the second 

 quill. Beneath white. Cap ashy. Back olivace- 

 ous ash. 



