FINCHES, SPARROWS, ETC. 
305 
3'. Outer tail feathers not marked with white or yellow. 
4. Upper parts streaked. 
c 
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. 
4'. Upper parts not streaked. 
Fig. 380. 
5. Nostrils concealed, plumage rose, or gray mixed with 
' orange brown. j Pinicola, p. 308. 
Fig. 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. 
Cardinalis, p. 369. 
3'. Head not crested. 
4. Tarsus longer than middle toe with claw. 
5. Hind claw longer than its toe. 
Fig. 383. 
Fig. 385. 
6 . Tail with white 
outer 
cept 
group). 
Pipilo, p. 363. 
Fig. 384. 
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. 
