Brewster’s Descriptions of First Plumages. 115 
hardly need comparison with the eggs of any other of the Jays, 
having a much purer white ground-color and a very different style 
of spotting. 
The nest above described was found on the horizontal branch of a 
nut-pine, toward the top, but only nine or ten feet from the ground. 
Both our other observers’ accounts indicate a similar position for 
the nests, and it is probable that very little variation in this respect 
is to be looked for. 
Later Mr. Parker writes that he has since found a second colony 
in another portion of the same range of hills, where “ thousands ” 
breed. Unfortunately he was too late for the eggs. 
DESCRIPTIONS OF THE FIRST PLUMAGE IN VARIOUS SPE- 
CIES OF NORTH AMERICAN BIRDS. 
BY WILLIAM BREWSTER. 
Ill* 
48. Vireo olivaceus. 
First 'plumage : male. Remiges, rectrices, and greater wing-coverts as 
in adult ; rest of upper surface, including the lesser wing-coverts and 
rump, light cinnamon, tinged with ashy, and upon the interscapular 
region washed faintly with dull green ; cheeks pale buff. Supra-orbital 
line and entire under parts silky white, with a delicate wash of pale 
brown on the sides. From a specimen in my collection taken at Upton, 
Me., July 30, 1874. 
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. Rest 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. 
50. Vireo flavifrons. 
First plumage: male. Remiges and rectrices similar to those of the 
adults, but with the primaries and secondaries tipped and edged broadly 
For Parts I and II, see this volume, pp. 15 t- 23, 56 - 64. 
