* WHITE-BEAKED HORNBILL. 15 



of our author, is the case with the rest of the de- 

 scriptions and figures in that publication. 



WHITE-BEAKED HOR]\' BILL, 



Buceros albirostris. B. sahcristatus niger, abdombie apicibusque re- 



migum et rectricum albis j rostro albido, galea compressa antice 



obtusa macula nigra. 

 Slightly- crested Black Hornbillj with the abdomen and tips of the 



wing and tail-feathers white, the bill whitish with compressed 



obtuse-fronted casque marked by a black spot. 

 Pied HornbilL? Lath.sijn. 

 Buceros Malabaricus.? Lath, ind, orn. 

 Le Calao a bee blauc. Levaill. Cal. pi. 14. 



So extremely near is the resemblance between 

 this bird and the Unicorn Hornbill that it requires 

 all the eloquence of Monsr. Levaillant to persuade 

 us that it is any thing more than a variety, or per- 

 haps a sexual difference of the preceding species; 

 differing perhaps in the less advanced stage of 

 growth of the rostral appendix, which instead of 

 projecting into an absolute point or horn in front, 

 finishes obtusely on that part. We must however 

 state what Monsr. Levaillant advances in defence 

 of his ranking it as a separate species. 



" This bird, says he, which was sent me from 

 Chandernagor, where it had been killed, appears 

 to me to be a new species hitherto undescribed by 

 authors. Its length, from the top of the head to 

 the end of the tail, is twenty inches, of which the 

 ta^il alone measiijes half; tlie bill, if taken along 



