towards tlie shoulders, white. Tail pure white, with a broad black band about two thirds from
th(^ 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.
Tjcngth of hill 10 inches, from point to end of casq^ue 13, of casque 7-i, breadth 3, height of
1)111 and casque at base 4. Total length of bird 4 feet, wing 20 inches, tail 17, tarsus
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.