304 FINCHES, SPARROWS, ETC. 



5. Wing 2.75-3.10 Acanthis, p. 3ia 



Fig. 371. 



5'. Wing 3.80-4.50. 



6. Nostril wholly concealed; plumage blackish or 

 , r;-^ brown, sometimes marked with rose or white. 



-^ J^-^ \ Leuoosticte, p. 315. 



V '^"' 6.' Nostril partly exposed . . . Passerina, p. 325. 



Fig. 372. 



4'. Hind claw shorter than its toe. 



5. Upper tail coverts pointed. 



Rhynchophanes, p. 328. 



5'. Upper tail coverts not pointed ; males largely reddish, 

 (part of) Carpodacus, p. 309. 

 1'. Wing not conspicuously long and pointed, primaries exceeding 

 secondaries by less than twice the length of tarsus. 

 2. Primaries exceeding secondaries by more than length of 

 tarsus. 

 3. Outer tail feathers marked with white or yellow. 



4. Tail marked with yellow .... Spinus, p. 323. 

 4'. Tail marked with white. 



5. Under wing coverts yellow or rose ; plumage largely 

 black in males, streaked in females. 



Zamelodia, p. 371. 



5'. Under wing coverts not yellow or rose. 



6. Tail graduated. 



Chondestes, p, 336. 



Fig. 376. 

 6'. Tail nearly even or emarginate. 



Fig. 375. 



3 7. Hind claw longer than its toe. and not sharply 

 curved Calcarius, p. 325. 



Fig. 377. 



7'. Hind claw shorter than its toe, and sharply 

 curved. 



^^____ S. Plumage streaked, largely brown. 

 Pig. 378. ^ Pooecetes, p. 329. 



8'. Plumage unstreaked, summer males yellow 

 beneath .... Astragalinus, p. 319. 



