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338 MANUAL OF PHILIPPINE BIRDS. 
legs and feet slaty black; nails brown to black; bill dark brown, reddish 
at the tip and around grooves. 
“It seems probable that Evellftt's Dinagat birds were of this species, 
but they can, of course, be placed here only provisionally.” (Bourns and 
Worcester MS.) 
i 
Genus CRANIORRHINUS Cabanis and Heine, 1860. 
Jaw, entire chin, and a large space around eye naked and bright red ; 
base of lower mandible deeply and obliquely chiseled, upper mandible 
smooth; casque high, greatly compressed, its outline gently rounded 
behind and abruptly truncated in front; in the female the casque is 
smooth and has a sharp ridge above, in the male it is somewhat rounded 
above, and the sides are distorted by deep vertical plications. 
Species. 
@. Tail white with a black band at. tip ..-.-.::c.s.0:<..teoceme-cenons leucocephalus (p. 338) 
a’. Tail white, stained rufous, the basal third and the tip black.... waldeni (p. 339) 
301. CRANIORRHINUS LEUCOCEPHALUS (Vieillot). 
WHITE-HEADED HORNBILL,. 
Buceros leucocephalus ViEILLoT, Nov. Dict. d’ Hist. Nat. (1816), 4, 592. 
Cramiorrhinus leucocephalus WALDEN, Trans. Zool. Soc. (1875), 9, 165, 
pl. 27. . 
Cranorrhinus leucocephalus GRANT, Cat. Birds Brit. Mus. (1892), 17, 378; 
SHARPE, Hand-List (1900), 2, 65; McGrecor and WorcEsTER, Hand- 
List (1906), 56. 
Camiguin 8. (Cuming); Mindanao (Steere, Everett, Koch & NSchadenberg, 
Steere Exp., Bourns & Worcester, Clemens, Goodfellow, Celestino). 
“Adult male.-—Occiput, nape, and back of neck deep chestnut; rest of 
head, neck, and upper chest buff; tail white, with a terminal black band ; 
rest of plumage black, glossed with dark bluish green. Naked skin round 
eye and on chin and throat fiery orange-red ; iris crimson; feet dull black ; 
bill and casque deep red; lower mandible crossed at the base by four or 
more obliquely transverse ridges, the basal one being dark red, the rest 
whitish and separated from one another by brown grooves; casque with 
numerous transverse folds. Length, 737; wing, 335; tail, 244; tarsus, 51. 
“Adult female.—Differs from the male in having the plumage of head 
and neck dark shining black, and the casque smooth. Length, 597; wing, 
302; tail, 22; tarsus, 46.” (Grant.) 
“Common in Mindanao. Seems not to occur in Basilan. Frequents 
the highest trees and feeds on fruit. Eyes red; legs black; tops of feet 
black, bottoms yellowish; bill dark scarlet. A male measures, 711 in 
length; wing, 319; tail, 232; tarsus, 50; middle toe with claw, 54.” 
(Bourns and Worcester MS.) 
When new the tail-feathers are white but they soon turn light buff. 
The male is much larger than the female and has a larger casque. A 
