436 HORNBILL 
been suggested that they have some affinity with the Upupide 
(Hoopor), but even if that view be good the affinity cannot be very 
near. Their supposed alliance to the Rhamphastide (TOUCAN) rests 
only on the apparent similarity presented by the enormous beak, 
and is contradicted by important structural characters. In many of 
their habits, so far as these are known, all Hornbills seem to be 
much alike, and though the modification in the form of the beak, 
Homral or GREAT INDIAN HoRNBILL (Dichoceros bicornis). After Tickell’s drawing in the 
Zoological Society’s library. 
and the presence or absence of the extraordinary excrescence,! 
whence their name is derived, causes great diversity of aspect 
among them, the possession of prominent eyelashes (not a common 
1 Buffon, as was his manner, enlarges on the cruel injustice done to these 
birds by Nature in encumbering them with this deformity, which he declares 
must hinder them from getting their food with ease. The only corroboration his 
perverted view receives is afforded by the observed fact that Hornbills, in cap- 
tivity at any rate, never have any fat about them. 
