Order II. PASSERES. 
Tribe IV. Conirostres. 
The seventh Family, 
BUCEROTIDtE, or Hornbills, 
We the Bill more or less lengthened, curved, broad at the base, and compressed to the end ; wtth t 
eutaen furnished with a singularly formed helmet, or only curved to the tip, winch ts acute ; the “ 
Wal, and usually rounded : the Wings moderate: the Tail generally long, broad, and more rles 
graduated : the Tarsi, in most, short and strong : the Toes moderate, strong, and more or less un.ted 
their base, especially the outer toe : the Claws short, and rather obtuse. 
The only Subfamily, 
BUCEROTIN.E, or Hornbills, 
have similar characters to those given above. 
Euryceros Less* 
Bill large, and broad at the base, with the culmen much elevated, projecting on the forehead, keele< b 
^d curved to the tip, which is hooked and strongly emarginated ; the sides much comprise rom 
ba se to the end; the gonys rather short, and ascending ; the nostrils lateral and basal, wit t e 
funded and exposed. Wings long, with the fourth and fifth quills equal and longest. ^ ai mo e 
broad, and rounded. Tarsi moderate, rather strong, and covered m front wit transverse ^ 
^visions of which are slightly apparent. Toes long ; the inner shorter than ^ ’ 
United to the first joint ; the hind toe long and strong ; the claws long, strong, curve , ant acu e. 
The type of this genus is found in Madagascar. 
Its manners and habits are unknown. 
E 
, Prevostii Less. Cent, de Zool. t. 74., IHustr. de Zool. t. 13. 
* Established by M. Lesson in 
1830 ( Centurie de Zoologie). 
