BUCERID-E. 



79 



parts dull : forehead, cheeks anteriorly, and chin 

 black : the lower and hinder parts surrounding the 

 eyes naked. 



FAMILY IV.— BUCERID^. 



Rostrum capite longius, marginibus dentaiis aid crenulatis : pedes 



gressorii. 

 Beak longer than the head^ with its edges dentated or crenu- 



lated ; legs gressorial. 



The Buceridee are large birds, and are carnivorous 

 and frugiverous, feeding not only on berries and other 

 vegetable materials, but also on any putrid animal 

 substances, and frequently on smaller animals, as 

 mice, birds, frogs, &c. : they are confined to the tro- 

 pical regions : the Buceri to those of the old, and 

 the Momotes to those of the new, world. 



GEXUS CXCI.— BUCEROS Auctorum. HORXBILL. 



Rostrum magnum, cellulo- 

 sum, arcuatum, extrorsum 

 serratum : mand'ihula su- 

 pei'ioi' plerisque appendice 

 aucta. 



Nares parvae, rotundat«, 

 pone rostri basin. 



Lingua brevissima. 



Hydrocorax, Brisson. 



BeaJi large, cellular, arcu- 

 ated, externally serrated : 

 the upper mandible gene- 

 rally furnished with an 

 appendage. 



Nostrils small, rounded at 

 the base of the beak. 



Tongue verj^ short. 



The species of this genus have been separated into 

 two sections, from the presence or absence of the 

 singular appendage to the beak with which several 



