ly on the side of banks or hills and concealed by
small tufts of grass or bushes. The three or four eggs are white,
speckled with reddish brown. Size .64 x .45.

646a. LUTESCENT WARBLER. _Vermivora celata lutescens._

Range.--Pacific coast, breeding from California to Alaska; winters in
Mexico.

Similar to the last but more yellowish below. They make their nests of
leaves, rootlets, moss, etc., lined with hair, and placed on the ground,
concealed by tufts of grass or by bushes. The eggs are like those of the
last. Data.--Danville, Cal., April 21, 1898. Nest on the ground on a
side hill; among weeds in the shade of a large oak.

[Illustration 391: White.]
[Illustration: Nashville Warbler. Orange-crowned Warbler.]
[Illustration: White.]
[Illustration: right hand margin.]

Page 390

646b. DUSKY WARBLER. _Vermivora celata sordida._

Range.--Santa Barbara Islands, off California.

Said to be duller colored and darker than the others. The eggs cannot be
distinguished.

647. TENNESSEE WARBLER. _Vermivora peregrina._

Range.--Eastern North America, breeding from the northern tier of
states, northward; winters to northern South America.

This species has greenish upper parts, white lower parts and
superciliary line, and gray crown and nape. They nest either on the
ground or at low elevations in bushes, making the structure of grasses
and fibres, lined with hair; they are found on wild, tangled hillsides
and mountain ranges. The eggs are pure white, sparingly specked with
reddish brown. Size .62 x .45.

648. PARULA WARBLER. _Compsothlypis americana americana._

Range.--Eastern United States, breeding in the southern half.

The upper parts of this handsome species are bluish gray with a greenish
patch in the middle of the back; the throat and breast are yellow with a
patch of black and chestnut. They are abundant birds in suitable
localities, breeding in swamps, especially those with old or dead trees
covered with hanging moss (usnea). The nests may be found at any height
from the ground, and are usually made by turning and gathering up the
ends of the hanging moss to form a pocket, which is lined with fine
grass or hair. The four to six eggs are white or creamy white, wreathed
with specks of reddish brown and chestnut. Size .64 x .44.

648a. NORTHERN PARULA WARBLER. _Compsothlypis americana usneae._

Range.--Northern half of eastern United States and southern Canada;
winters from the Gulf States south