ON THE CLASSIFICATION OF BIRDS. 
■iOO 
CoNURus, Kuhl. Size much 
smaller. Upper mandible dis- 
tincdy toothed. Orbits naked. 
Under mandible deeper than 
in its length. Four first quills 
the longest. America only. 
C. vittatus. Spix, i. pi. 21. 
chrysophrys. Part 5. No. 120. 
macrognalhus. Spix, i. pi. 25. 
(aberrant.) [Jig. 270.) 
LspTOBYNcnus, Sw. Bin slender ; the upper mandible 
very slightly curved, considerably prolonged, and ob- 
soletely notched. Nostrils concealed. South America. 
L. ruficaudus. Boar. Psilt. pi. 11. 
PALotoBNis, Vigors. Under mandible small, scarcely 
deeper than it is long ; the upper distinctly toothed ; 
the tip acute. Tail very long, cuneated ; the feathers 
narrow, almost linear, and with their tips obtuse ; 
the two middle greatly exceeding the others. The 
Old World. 
P. torquatus. Le Vaill. pi. 22. 
SuiiFAM. PSITTACINAl. Parrots. 
Upper mandible very distinctly toothed ; lower mandible 
longer than it is high. Tail short, even or rounded. 
Ervthrosto.'vius, Sw. Tail rather lengthened, gra- 
duated, or rounded ; the feathers broad. Wings 
moderate, resembling those of the next genus ; but 
the tertials are not longer than the secondaries. Asia, 
America. 
niacrorynchus.LcVaill.pl.85. cyanogaster. Part 5. No. 1 SO. 
Chbysotis*, Sw. Amazonian Par ■ 
rots. Face plumed. Wings 
rather short ; the first and se- 
cond quills graduated, and 
shorter than the third and 
fourth, which are the longest ; 
all these have the inner web 
* In allusion to the yellow colour on the ears or face of nearly all the 
species. 
