FAMILY MNIOTILTIDjE. — WARBLERS. 281 



Part 6. The following species liave the throat yellow ; belly, not yel- 

 low ; no white on tail feathers : — 



Throut, bright yellow ; ahadiug 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 gi-cenish yellow; throat and sides of body, nearly 



same color; wing, considerably longer than tail. 



Tennessee Warbler. 



Helmintkophiln pcrerjrivn, 



See No. 49.3. 



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. 



Hi'lmintlwphila hnchmanii (immature in fall). 

 See No. 486. 



Head, grayi.sh ; back, olive green ; ))elly, bright yellow ; throat, blackish (male) ; 

 throat, grayish (female); legs, pale; tail feathers, olive green; under tail 

 coverts, yellow. 



Mourning Warbler. 



Geothlypis pihiladelphio,. 

 Sec No. 521. 



Back, grayish brown ; belly, faintly tinged with yellow ; under tail coverts, 



yellow. 



Palm Warbler. 



Dciidroica pidmarnm. 



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, grayisli, showing 



more or less black ; back, greeu. 



Bachman's Warbler. 



Helminthophila harhnianii. 



See No. 486. 



