



with greenish gloss. Abdomen, thighs, rump, upper and lower tail-coverts, and tips of secondaries 

 pure white. Head covered by a rather full crest, with occasional feathers spotted with white. 

 Tail black, glossed with green ; all the rectrices except the central ones tipped with white. 



Length of bill 4| inches, length of casque 5, height of bill and casque 3, wing 12, tail 10 

 tarsus 2. 



Female the same as the male in colour of plumage. The bill and casque black. The latter 

 rises from the culmen about one third its length from the tip, and inclines gradually backwards 

 to the head. It is occasionally roughened on the sides by longitudinal creases or depressions 

 running the entire length ; this is probably the evidence of age. 



Length of bill 3J inches, height 2 J-, wing 10J, tail 6 J, tarsus 1\. 



Specimens described and figured are in the collection of the British Museum. 



^MOrnS 



