282 
ON THE CLASSIFICATION OF BIRDS. 
Tanagra, Linn. Bill very short, thick, strong ; the 
commissure slightly sinuated ; the sides swollen. 
Pitylun, Cuvier. (Jjy. 251.) Bill very 
large, short, subconic. Mandibles 
equally thick: the upper mandible 
, swelled on the sides ; the tip re- 
flected, and distinctly notched; the 
margin strongly sinuated in the mid- 
dle. M^ngs short, rounded; the 
three first quills slightly graduated ; 
the fourth and fifth equal, and rather 
longer than the third. Tail mode- 
rate, rounded. Feet moderate strong. Lateral toes 
equal ; hinder rather short. Tarsus and middle toes 
equal. Claws small, fully curved. 
P. picatus.V. G. pi. 140. (d) superciliosus. Sw.sp.nov.lo) 
atricollis. Spix,ii. pi. 56. f. 2. erytlirorynehus. 111. of Orn. 
capistratus. Ib. ii. pi. 54. pi. 3. (b) 
f. 1. (c) 
Tanagra, Linn. {fig. 252, 253.) Size smaller. Bill not 
swollen on the sides ; the commissure very slightly 
or not at all sinuated in the middle. M'^ings some- 
