504 NORTH AMERICAN BIRDS. 



south to Bahamas, Cuba, Hayti, and 

 Jamaica.. 663. D. dominica (LiNN.) 

 Yellow-throated Warbler. 

 p. Smaller, with relatively shorter bill ; su- 

 perciliary stripe usually entirely (?) 

 white; length 4.50-5.50, wing 2.50- 

 2.70 (2.57), tail 2.00-2.20 (2.09), ex- 

 posed culmen .40-.49 (.45). Hab. Mis- 

 sissippi Valley, north to the Great 

 Lakes; south, in winter, to Gulf 

 States, Mexico (both coasts), Yuca- 

 tan, Honduras, and Guatemala. 

 663a. D. dominica albilora BAIRD. 

 Sycamore Warbler. 



h l . White on inner webs of outer tail-feathers occu- 

 pying more than half the total area of the 

 web (in adult males of some species occupy- 

 ing almost the whole of inner web). 

 i 1 . Throat yellow or orange, without admixture 



(superficial or concealed) of black. 

 /. Crown with a central spot of yellow (in- 

 distinct in young). 



Adult male: Top of head (except 

 crown-spot), hind-neck, streak 

 across lores, ear-coverts, and 

 general color of upper parts, 

 deep black ; rest of head, in- 

 cluding chin, throat, and chest, 

 pure cadmium-orange, most in- 

 tense on throat and chest ; rest 

 of lower parts pale yellow, or 

 yellowish white, the sides 

 streaked with black; back 

 streaked with whitish and 

 grayish ; wing with a large 

 white patch covering both rows 

 of coverts. Adult female : Simi- 

 lar to male, but the black por- 

 tions replaced by grayish brown, 

 streaked with dusky (ear-cov- 

 erts plain grayish brown), 

 orange paler, and posterior 

 lower parts white. Young male 

 in first autumn : Similar to adult 

 female, but darker above, wing 



