Back and wings dark brown, edges of secondaries buff, primaries black. Planks and abdomen 

 black. Thighs and under tail-coverts rnfous. Tail white. No difference between the sexes. 

 Length of bill of male 6£ inches, of casque 6J, height of casque 3f Total length of bird 29f 

 inches ; wing 17 ; tail 14J ; tarsus 2J. 



Young have the casque and bill black. Head, neck, and underparts dirty white. Back and 

 wings dark brown, scapulars tipped with white, also secondaries edged with buff. Tail white, the 

 outer rectrices with a narrow bar of black on their terminal third. 



The figures in the Plate represent the adult and young. 



.' 





