288 ON THE CLASSIFICATION OF BIRDS. — eck 
strong, robust. Lateral toes unequal, the: inner short 
est. Claws strong, and fully curved. Africa, 
L. pileatus. Part 5. No. 199. . 
Frineiuua, Linn. Bill lengthened, conic ; the a 2 
not curved ; the tip slightly notched, but not reflected. — 
Commissure straight. Claws small, slender, P| 
slightly curved. 
Passerella, Sw. Bill short and perfectly conic, thick 
at the base, and rather abruptly pointed at the tip, 
which is entire. Culmen perfectly straight. Both man- 
dibles of equal thickness. Wings moderate; the first 
quill shorter than the second, third, and fourth, which 
are the longest. Tail moderate, broad, and nearly 
even. Feet large, strong. Middle toe longer than the 
tarsus ; inner toe much shorter than the outer. Claws 
long, slender, and but slightly curved ; hinder claw 
as long as the toe. America. 
P. Iliaca. Wilson, ii. 22. f. 4. 
Fringilla. Bill forming a perfect, slightly ichigitional 
cone, with both mandibles of equal thickness ; the 
upper one slightly notched, but not inflexed at the tip: 
the commissure straight. Wings lengthened, pointed ; 
the first quill always longer than the fifth. Tail mode- 
rate, forked ; the outermost feathers the longest. Legs 
slender. Tarsi moderate. Lateral toes equal ; middle 
toe very long. Europe and America. 
F. coelebs. Sel. pl. 54. f. 6, '7. hyemalis. Wils. ii. 16. f. 6. 
montifringilla. Ib. f. 8,9. graminea. Ib. 31. f. 5. 
Zonotrichia, Sw. Bill as in Fringilla: the commis- 
sure straight. Wings not lengthened ; the first quill 
shorter than the four next, which are of nearly equal 
length. ‘ail rather lengthened, slightly divaricated ; 
the outermost feathers shortened. Lateral toes 
slightly unequal. Tarsus and middle toe of equal 
length. America only. 
leucophrys. Wils. iv. 31. f. 4. albicollis. Wils. pl. 22. f. 2. 
Pennsylvanica. Ib, iii.5.f.2. | subtorquata.* Sp. ii. 53. f. 3. 
* The specific name of graminea, given by Spix to this bird, had ae " 
previously used by Wilson for another. =, 
: 
