WOOD WARBLERS 409 



3'. Throat white. 



4. Crown blue or black. 



5. Crown blue. Eastern United States, rara, p. 416. 



5'. Crown black striata, p. 416. 



4'. Crown yellow or with yellow patch. 



5. Rump yellow ; under parts white, black, and yellow. 



coronata, p. 412. 



5'. Rump not yellow ; under parts white, with chestnut 

 sides pensylvanica, p. 416. 



Fig. 518. 



KEY TO ADULT FEMALE DENDROICA IN SPKING. 



1. Tail with yellow on inner webs. 



2. Upper parts grayish yellow. Arizona to Texas, soiiorana, p. 411. 

 2'. Upper parts greenish. 



3. Upper parts greenish yellow aestiva, p. 411. 



3'. Upper parts dull olive green rubiginosa, p. 412. 



1'. Tail without yellow on inner webs. 

 2. Rump yellow. 



3. Under parts bright yellow, streaked with black. Eastern United 



States maculosa, p. 415. 



3'. Under parts mainly whitish. 

 4. Throat yellowish. 



5. More heavily streaked on darker ground, nigrifrons, p. 415. 

 5'. Less heavily streaked on lighter ground. auduboni, p. 413. 



4'. Throat whitish coronata, p. 412. 



2'. Rump not yellow. 



3. Plumage not conspicuously marked with yellow or green. 



4. Upper parts gray and black nigresceiis, p. 418. 



4'. Upper parts streaked black and white . . . striata, p. 416. 

 3'. Plumage conspicuously marked with yellow or green. 



4. Sides of head or throat marked with bright lemon yellow. 

 5. Sides of head gray or white. 



6. Throat, chest, and loral streak yellow . . graciae, p. 418. 

 6'. Under parts white, with chestnut sides. 



pensylvanica, p. 416. 

 5'. Sides of head yellow, or yellow and olive. 



6. Upper parts grayish occidentalis, p. 421. 



6'. Upper parts mainly or partly olive green. 

 7. Upper parts olive green and gray. Texas. 



chrysoparia, p. 419. 

 7'. Upper parts plain olive green. 



