304 FINCHES, SPARROWS, ETC. 



5. Wing 2.75-3.10 Acanthis, p. 318. 



Fig. 371. 



5'. Wing 3.80-4.50. 



6. Nostril wholly concealed; plumage blackish or 

 brown, sometimes marked with rose or white. 



Leucosticte, p. 315. 



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. 



lUP^* 4. Tail marked with yellow .... Spinus, p. 323. 

 Fig. 374. 4'. Tail mar ked with white. 



^^^B ^ 5. Under wing coverts yellow or rose ; plumage largely 



^HpJgF black in males, streaked in females. 



^?r Zamelodia, p. 371. 



Fig. 375. 



5'. Under wing coverts not yellow 



or rose. 

 6. Tail graduated. 



Chondestes, p. 336. 

 6'. Tail nearly even or emargi- 



nate. Fig. 376. 



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. 



8. Plumage streaked, largely brown. 



Pooecetes, p. 329. 



8'. Plumage unstreaked, summer males yellow 

 beneath .... Astragalinus, p. 319. 



