FINCHES, SPARROWS, ETC. 305 



3'. Outer tail feathers not marked with white or yellow. 

 4. Upper parts streaked. 



5. Under parts more or less yellow . . Spiza, p. 377. 



5'. Under parts mainly gray ; 



Fig. 379. males with chin and throat ______ ___ 



black . Passer, p. 324. Fig 380 



4'. Upper parts not streaked. 



5. Nostrils concealed, plumage rose, or gray mixed with 

 orange brown Pinicola, p. 308. 



Pig. 381. 



5'. Nostrils exposed, males blue . . Guiraca, p. 373. 

 2'. Primaries exceeding secondaries by less than length of 



tarsus. 

 3. Head crested. 



4. Upper mandible 



greatly curved. 

 Pyrrhuloxia, p. 370. Fig. 382. 



4'. Upper mandible only slightly curved. 



Card in alls, p. 



Fig. 383. 



3'. Head not crested. 



4. Tarsus longer than middle toe with claw. 

 5. Hind claw longer than its toe. 



6. Tail with white 

 outer tips (ex- 

 cept fuscus' 

 group). 

 Pipilo, p. 363. Fig 384. 



1P^ 



6'. Tail with white edges, plumage largely gray or 

 black Junco, p. 345. 



5'. Hind claw shorter than its toe. 



6. Tail black Amphispiza, p. 350. 



6'. Tail not black. 



7. Tail olive green . . . Arremonops, p. 363. 

 7'. Tail brown. 



8. Tail deeply emarginate . Spizella, p. 341 

 8'. Tail rounded or graduated. 



