FAMILY MNIOTILTIDA. — WARBLERS. 231 
Part 6. The following species have the throat yellow; belly, not yel- 
low; no white on tail feathers : — 
Throat, bright yellow; shading to whitish or 
olive on belly; forehead and sides of head, 
black (male); no black on head (female) ; 
wing, not longer than tail. 
Maryland Yellowthroat. 
Geothlypis trichas. 
See No. 522. 
Throat, showing faint tinge of greenish yellow; throat and sides of body, nearly 
same color; wing, considerably longer than tail. 
Tennessee Warbler. 
Helminthophila peregrina. 
See No. 493. 
Part 7. The following species have the throat, not yellow; belly, 
yellow ; and no white on the tail feathers : — 
Legs, dark; throat, whitish; belly, faintly tinged with yellow; under tail cov- 
erts, whitish; tail feathers, slaty brown. 
Bachman’s Warbler. 
Helminthophila bachmanti (immature tn fall). 
See No. 486. 
Head, grayish; back, olive green; belly, bright yellow; throat, blackish (male) ; 
throat, grayish (female); legs, pale; tail feathers, olive green; under tail 
coverts, yellow. 
Mourning Warbler. 
Geothlypis philadelphia. 
See No. 521. 
Back, grayish brown; belly, faintly tinged with yellow; under tail coverts, 
yellow. 
Palm Warbler. 
Dendroica palmarum. 
Part 8, The following species have the throat, not yellow; belly, 
yellow; tail feathers, marked with more or less white :— 
Throat, usually with more or less black (sometimes without trace of black), ac- 
cording to age and season; forehead, yellow; top of head, grayish, showing 
more or less black; back, green. 
Bachman’s Warbler. 
Helminthophila hachmaniti. 
See No. 486. 
