VISCOUNT WALDEN ON THE BIRDS OF CELEBES. 49 
the culmen without exhibiting an erect edge. The cutting-edges of the mandibles 
are not broken or serrated. In the mature bird the bill measures two inches more 
than in the younger; yet in the younger bird the mandibles are as high, or are higher, 
throughout their length than in the fully adult; or, in other words, in the latter the bill 
Fig. 3. 
Cranorrhinus cassidix, 2. 
is prolonged at the expense of its height. In this stage there are no traces of the basal 
lateral plates. The walls of the mandibles are quite smooth, without any indications 
VOL. VII.—PART 11. Jay, 1872. K 
