2. _Spots beneath triangular, on breast only._

B. Entirely uniform in color above,—olivaceous, varying to

reddish or greenish with the species. Beneath whitish, with a

wash of brownish across the breast and along sides. Spots

triangular, and confined to the breast. Nest on trees or bushes;

eggs blue spotted with brownish; except in _T. fuscescens_, which

nests on the ground, and lays plain blue eggs.

_a. No conspicuous light orbital ring._

2. T. fuscescens. Yellowish-rufous or olive-fulvous above; a

strong wash of pale fulvous across the throat and jugulum,

where are very indistinct cuneate spots of same shade as the

back. Wing, 4.10; tail, 3.00; culmen, .70; tarsus, 1.15.

_Hab._ Eastern Province of North America. North to Nova

Scotia and Fort Garry. West to Great Salt Lake. South (in

winter) to Panama and Brazil. Cuba.

3. T. aliciæ. Grayish clove-brown above; breast almost white,

with broad, blackish spots; whole side of head uniform

grayish. Wing, 4.20; tail, 3.20; culmen, .77; tarsus, 1.15.

_Hab._ Eastern Province North America from shore of Arctic

Ocean, Fort Yukon, and Kodiak to Costa Rica. West to Missouri

River. Cuba.

_b. A conspicuous orbital ring of buff._

A History of North American Birds; Land Birds; Vol. 1 of 3 · 第 40 / 438 题