x‘ 
282 AVES : PASSERES. — XLVI. 
along side of bill); (tail feathers without white; tail coverts rosy) ; 
hind claw moderate... . + 29s %'= % LEUCOSTICTE, 475. 
jj. Base of gonys as near tip of Jower mandible as to its base on the 
side; (tail largely white; plumage with much white and no rosy); 
hind claw very long, nearly as long as bill. 
PLECTROPHENAX, 478. 
ii. Birds of small size, the wing less than 33; tail forked. 
k. Nasal tufts very long, nearly 3 length of bill; (tail feathers with- 
out white or yellow; adults with red)... . AcANrHIS, 476. 
kk. Nasal tufts short or obsolete, not 3 length of bill; (tail feathers 
blotched with white or yellow; adults with yellow but no red). 
Spinus, 477. 
hh. Wing not five times as long as tarsus. 
l. First (developed) primary not shorter than fourth; (back 
streaked). 
m. Depth of bill at base about equal to length of (exposed) cul- 
men; nostrils with a small ruff; (plumage streaked above 
and below; ¢ with red; no white on tail). 
CARPODACUS, 473. 
mm. Depth of bill at base less than length of culmen; (no red; 
tail with white). 
n. Tail emarginate, the middle feathers narrow and pointed 
at tip; hind claw very long and straightish, nearly as long 
as bill. 
o. Gonys shorter than hind toe without claw and not more 
than depth of billL . . . . . . Cawcartius, 479. 
vo. Gonys longer than hind toe and greater than depth of 
bill.) .. 24) oh ses hey of) wt ot RY NCOPE Aa Ine cama 
nn. Tail rounded; the middle feathers broad and rounded at 
tip; hind toe short, curved. . . . CHONDESTES, 483. 
I]. First (developed) primary shorter than fourth; bill very stout; 
(plumage with red or yellow, tail with white). Hasta, 492. 
gg. Primaries not much longer than secondaries (exceeding them by less than 
length of tarsus); (no red). 
p. Bill very stout ; its depth at base nearly equal to hind 
toe with claw; (¢ with blue). . . Gurkaca, 493. 
pp. Bill more slender, not as above. 
q- Tail-feathers narrow, at least the middle ones acu- 
minate; (back streaked). 
r. Middle toe with claw decidedly shorter than tarsus ; 
(outer tail feathers with white; bend of wing 
chestnut). . » « s « « », POOCHTES, 48% 
rr. Middle toe with claw not shorter than tarsus; 
(outer tail feathers without white markings; 
edge of wing yellow). 
s. (Breast with yellow ; throat with more or less 
black; plumage not streaked below in @). 
Sp1za, 495. 
ss. (Breast without yellow ; throat without black; 
plumage streaked below.) 
AMMODRAMUS, 482. 
gq. Tail feathers broader, not acuminate (except in 
worn plumage). 
t. Hind claw decidedly longer than its toe. 
