578 MICIIKIAN BIRD LIFE. 



00. Throat and chest not t-leai- yellow. T, TT. 

 T. Thi'oat and breast yellow, but a dark 

 band of brown or black across the 

 chest. Northern Pariila 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. 262r. 

 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 thii-d 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. 

 A A. Tail without white or colored markings (also the wings), b, bb, bbl). 

 b. Under parts whitish or buffy thickly streaked or spotted with brown 

 or black, c, cc. 

 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-billetl 

 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 W^arbler. 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. 

 gg. White eye-ring wanting. IMourning 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. \\'ilson's 



Black-capped Warbler. No. 296. 

 ii. Forehead and sides of head and neck deep l)lack. 



