4 



towards the shoulders, white. Tail pure white, with a broad black band about two thirds from 

 the base. Sometimes the neck and the white on the wing are yellowish, caused by the secretion 

 from the uropygial gland. Iris crimson ; bare skin around eyes black. 



Length of bill 10 inches, from point to end of casque 13, of casque 7J, breadth 3, height of 

 bill and casque at base 4. Total length of bird 4 feet, wing 20 inches, tail 17, tarsus 2J. 



The female resembles the male, except that there is no black on the casque, and its posterior 

 end is red. Bare skin round the eyes red. 



The specimens here described and figured were living in the Regent's-Park Gardens, London. 









