. 
‘ | $ 
266 ON THE CLASSIFICATION OF BIRDS. 
Crvpsirina, Vieillot. (fig. 235.) Bill shorter than the 
head, much compressed ; 
the culmen considerably 
arched, and curved from 
the base. Nostrils small, 
basal, concealed by incum- 
bent feathers, which are either soft or setaceous. 
Wings short, much rounded; the primaries hardl 
longer than the secondaries. Tail feathers broad and 
obtuse. Feet moderate, arboreal. The middle toe and 
claw short, but as long as the tarsus ; lateral toes un- 
equal; hind toe and clawshorter than the tarsus. India. 
rufa. Ois. d’ Af. pl. 59. vagabonda. Gould’s Cent. 
leucoptera. Pl. Col. 265. pl. 42. | 
temnura. Ib. 337. Sinensis. Gould, C. pl. 43. 
leucogastra. Zool. Tr. pl.12. temia. V.G. pl.106. ( fig. 235.) 
Prinostomus, Sw. Bill as in Crypsirina. Rictus 
bristled. Wings moderate, slightly rounded; the 
third, fourth, and fifth quills longest. Tail long, 
cuneated ; the feathers lanceolate. Feet very strong 
and robust. Tarsus lengthened, longer than the 
middle toe and claw: lateral toes short, and of equal 
length. Africa. 
P. Senegalensis. West. Af. i. p.135. Ois. d’Af. pl. 54. 
Bracuystoma, Sw. (fig. 236.) Bill very short, entire, 
resembling Glaucopis: the 036 = 
culmen elevated, convex, 
and considerably dividing 
the frontal feathers: com- 
“missure curved, and some- 
what angulated in the 
middle: under mandible 
slightly ascending. Nostrils 
basal, naked ; the aperture 
large and round. Wings 
and tail moderate, rounded ; 
the latter with broad ob- 
tuse feathers. Feet arbo- 
real: the middle toe much shorter 
