578 MICHIGAN BIRD LIFE. 
OO. Throat and chest not clear yellow. T, TT. 
T. Throat and breast yellow, but a dark 
band of brown or black across the 
chest. Northern Parula Warbler. 
No. 269. 
TT. Throat and breast clear black, sides 
of head yellow. Black-throated 
Green Warbler. No. 281. 
CC. Wings without light patches or bars. U, UU. 
U. A conspicuous black hood covering the occiput and hind 
neck in both sexes, and the throat as well in the male. 
Hooded Warbler. No. 295. 
UU. Head and neck rich golden yellow without trace of black. 
Prothonotary Warbler. No. 262. 
BB. Tail patches colored. V, VV. 
V. Tail patches red. Redstart, male. No. 298. 
VV. Tail patches yellow. W, WW. 
W. Basal half of tail mostly yellow, terminal third black. 
Redstart, female and young. No. 298. 
WW. All the tail feathers (except middle pair) yellow on 
inner web the entire length. Yellow Warbler, male 
and female. No. 271. 
AA. Tail without white or colored markings (also the wings). b, bb, bbb. 
b. Under parts whitish or buffy thickly streaked or spotted with brown 
or black. c, ce. 
c. Top of head with a broad median stripe of red-brown between 
two narrow black stripes. Ovenbird. No. 286. 
cc. Top of head without median stripe. d, dd. 
d. Culmen .43 to .50 inch, under parts thickly and narrowly 
streaked on a yellowish ground color. Small-billed 
Water-thrush and Grinnell’s Water-thrush. Nos. 287, 
288. 
dd. Culmen .50 to .55 inch, under parts more thinly and 
broadly streaked on a buffy or brownish-white ground 
color. Large-billed Water-thrush. No. 289. 
bb. Under parts bright yellow with a band or necklace of black spots 
across the chest. Canadian Warbler. No. 297. 
bbb. Under parts without streaks or spots. e, ee. 
e. Under parts mostly clear yellow. f, ff. 
f. Entire throat and chest black or slate-color, sharply marked 
off from the yellow breast and belly. g, gg. 
g. A narrow ring of white feathers about the eye. Con- 
necticut Warbler. No. 291. 
ge. White eye-ring wanting. Mourning Warbler. No. 
292 
ff. Throat and chest without black (except sometimes at 
sides). h, hh. 
h. More or less clear black on forehead or crown. i, ii. 
i. Crown glossy black, forehead yellow. Wilson’s 
Black-capped Warbler. No. 296. 
ii. Forehead and sides of head and neck deep black. 
id). 
