504 yORTH AMERICAN BIRDS. 



south to Bahamas, Cuba, Ilaj-ti, and 

 Jamaica.. 6G3. D. dominica (Linn.) 

 Yellow-throated Warbler. 

 f. 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). JIab. Mis- 

 sissippi Valley, north to the Great 

 Lakes ; south, in winter, to Gulf 

 States, Mexico (both coasts), Yuca- 

 tan, Honduras, and Guatemala. 

 6G3a. D. dominica albilora Baird. 

 Sycamore Warbler. 

 "White on inner webs of outer tail-fi'ulliors 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}. Throat yellow or orange, without admixture 

 (superficial or concealed) of black, 

 /. Crown with a central spot of yellow or 

 orange (indistinct 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 (car-cov- 

 crts plain grayish brown), 

 orange paler, and posterior 

 lower parts white. Yourig male 

 in first autumn: Similar to adult 

 female, but darker above, wing 



