AVES. 



Order Passeres, 

 Tribe Conirostres. 

 Fam. Bucerotidse. 

 Gen, Buceros. 



Buceros convexus (Temm.). 



„ pica (Bonaparte consp. av.). 



A.bove, black ; below, throat, breast and sides, black, belly and 

 lower tail-covers white ; wings black, the outer edges, j ust above the 

 base of the primary quills, white ; the two first primaries black, the 

 rest black tipped with pure white ; the two centre feathers of the 

 tail black, all the rest pure white ; thighs white, legs and feet black ; 

 bill yellowish white, the margins black, the point of the upper 

 mandible is also black, which colour extends along the upper ridge 

 to the casque or horn, the anterior part of which is irregularly 

 marked with the same colour on the upper surface ; the base of the 

 lower mandible is black; skin round the eyes, at the base of the 

 lower mandible and on the upper throat, black and bare of feathers 

 except a narrow line of black feathers which separates the part round 

 the eyes from that below j a similar line of black feathers also 

 occurs down the centre of the upper throat. 

 Total length, about 2 feet. 

 Length of wings, 1 foot. 

 „ of tail, 11 inches. 

 „ of bill, from gape, 6 inches. 

 Casque broader than it is high. 

 Length of tarsus, 1 inch 9 lines. 

 „ of middle toe, 1 inch 1 1 lines. 

 „ of lateral toes, equal. 

 „ of hallux, 11 inch. 



These Hornbills are not uncommon in Labuan ; they are 

 shy and wild in their habits, haunting very deep and tall 

 jungle, and are generally seen in pairs ; they feed almost en- 

 tirely on fruits, though some which were kept in a cage by 

 Mr. Motley for some time would eat almost anything ; they 

 preferred plantains, however, of which they would gulp three 



