Descriptions of First Plumage of Cer- 
tain North Am, Bbs. Wm. Brewster. 
49. Vireo gilvus- 
Autumnal plumage : young female. Crown precisely as in spring 
adult ; interscapular region much more strongly tinged with olive-green. 
Primaries and secondaries tipped with ashy-white. Anal and abdominal 
regions silky-white. Best of under parts creamy-buff, lightest on throat 
and crissum, most pronounced on the pectoral region, and intensifying 
into rich, though dull, brownish-yellow on the sides. From a specimen 
in my collection, shot at Concord, Mass., September 12, 1877. 
Bull. N.9,0. 3, July, 1878. p. /S5~. 
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