424 



BUCEEOTID^. 



Adult ituile. Head, neck, breast, upper part of bell)-, tips of 

 primaries and seeoiularies, patcli on inner side of shoulder, and tail 

 wliite ; rest of plumage black, the scapulars and wings glossed with 

 dull green : naked skin round eye and at base of lower mandible 

 pale blue ; iris wax-yellow : legs aud feet black ; bill black, a 

 slight mottling of pale dull green at tlie base of both mandibles 

 ( W. Davison). Total leugth 41 inches, wing 15-8, tail 1 8, tarsus 2-4. 



Young male in first plumage differs from the adult in having 

 the head, neck, breast, and upper part of belly black tipped with 

 ■white ; the tail black, glossed with dull green and tipjied with 

 white, widest on the outer feathers. After the first moult the 

 plumage resembles the adults, but many feathers of the head and 

 crest have black shafts and the tail remains as above, but with an 

 increased amount of white at the extremity of the feathers. The 

 fully adult plumage appears to be attained after the second moult. 

 " Naked skin round eye pink or pink tinged with blue ; iris oil- 

 yellow : bill, where not dull black, a very pale dull green " ( W. 

 Davison). 



Adult female. Upper parts of head, chiu, tips of primaries and 

 secondaries, and tail white ; rest of plumage black, the back and 

 wings slightly glossed with dull green : naked skin round eye and 

 at angle of lower mandible duU blue ; iris wax-yellow ; legs and 

 feet black ; bill black, yellowish green at base. Total length 36 

 inches, wing 14'6, tail 15-2, tarsus 2*3. 



Immature female. " Bare skin on face dull fleshy purple ; irides 

 pale bluish grey ; legs and feet black " {Kelliam). 



Hah. S. Tenasserim, Malayan Peninsula, Sumatra, aud Borneo. 



a-e. ij ? ad. : f-h. 



cJ imm. sk. 

 i. 2 ad. sk. 



k. 2 ad. sk. 



/, 7n. d 2 ad- sk. 



n. S '^d. sk. 

 o, p. d 2 ad. st. 

 q. d imm. sk. 



r. cS imm. sk. 



Bankasoon, Mar., June, Dec. Hume Coll. 



( W. Duvison), 

 Malawoon, Feb. 



Malacca {Dr. Cantor). 

 Malacca. 



W. coast Sumatra. 



Sumatra. 



Benkoka, N. Borneo, Au" 



Baram, Sarawak. 



E. W. Gates, Esq. 



[C.]. 

 India Museum. 

 Capt. Stackhouse 



PinwiU [P.]. 

 Vau Fabar [C.]. 



J. Whitehead, Esq. 



[P.], 

 C. Hose, Esq. [C.]. 



IS. ORTHOLOPHUS. 



Bill fairly large and cuived. Casque moderately elevated, keel- 

 shaped, and covering the greater part of the culmen. A tract of 

 feathers down the middle of the naked throat. Tail very long, 

 wedge-shaped, black tipped with white, middle pair of tail-feathers 

 very much the longest. Crest of long soft feathers, those on the 

 lores and front of the head growing straight up. 



Jianjc. \V. Africa. 



