1867.] PROF. HUXLEY ON THE CLASSIFICATION OF BIRDS. 433 



The basipterygoid processes are as in the preceding genera ; and the 

 mandible has a strong recnrved angular process. 



Fig. 1.0. 



Pmx. 



Pmx 



Lateral and inferior view8 of a skull of Crax qlobicera, in the posseasion of 

 W. K. Parker, Esq., F.E.S. 



In the side view S denotes the ossified septum. The strong recurved angular 

 process of the mandible is well displayed ; the vomer is lost, and is not 

 represented in the inferior view ; and the right palatine bone is removed to 

 show the large maxillo-palatine plate of the maxillary (M.rjo). 



Proc. Zool. Soc— 18(ir, No. XXVIII. 



