378 BrCEK0TID.T5. 



Adult male. Tlic top of the head and nape deep chestnut ; rest of 

 head, neck, and ui)pcr chest buff or yellowish white ; tail white ; 

 rest of plumage black, the upper parts glossed with dark green : 

 bare skin round eye blue, on chin brownish ; that on throat bluish 

 white, crossed by a dark blue line ; feet black ; iris light brown to 

 red ; casque deep red ; bill orange-yellow except at the base, which 

 is dark red, crossed by three or inore obliquely transverse ridges 

 sc))arated by black grooves. Total length 88 inches, wing 17'3, 

 tail 12-2, tarsus 2-4. 



Adult female. Differs from the male in having all the plumage of 

 the head and neck black, and in the casque being orange-yellow 

 like the anterior part of the bill. Total length 3G inches, wing 16, 

 tail lO'o, tarsus 2-3. 



Hab. Celebes. 



«. c? ad. sk. Gilolo (R. vanDuicenhode). Tweeddale Coll. 



b-cl. tS ? ad. Meuado {R. van Didven- Tweeddale Coll. 

 sk. bode). 



e. (S ad. sk. Menndo. Tweeddale Coll. 



f. 5 ad. sk. Celebes. Gould Coll. 



'(J, h. c? 5 ad. St. Macassar. A. R. Wallace, P:sq. [C.]. 



i. Ad. St. No loc. Edward Wilson, Esq. [P.]. 



2. Cranorrhinus leucocephalus. 



Buceros leucoeephalus, Vieill. N. Dirt, d'llist. Nat. iv. p. 592 (1816). 

 Granovrliinus leucocephalus, Wald. Ti: Z. S. p. 165, pi. xxvii. (1875) ; 



id. P. Z. S. 1877, p. 824; Elliot, Mun. Uucerot. p. 19 [text] 



(1880). 

 Craniorrhinus leucocephalus, Steere, list Birds ^ Ma7nm. Pkitijj- 



pities, p. 13 (1890). 

 Buceros (Cranorrhinus) leucocephalus, Dubois, Bull. Mus. Bil(j. iii. 



p. 193 (188-t). 

 Buceros sulcalus, Temm. PI. Col. ii. p. 89, pi. 69 (1823) ; Wagl. Syst. 



Av. Buceros, no. 10 (1827); Less. Traite Orn. p. 254 (1831); 



Gray, Gen. Birds, ii. p. 400 (1847); Schl. Mus. Pays-Bas, i. 



Buceros, p. 10 (1862). 

 Tockus sulcatus, Bonap. Consp. Gen. Av. i. p. 91 (1850). 

 Calao sulcatus, Bonap. Comp. Vol. Anisod. p. 3 (1854). 

 Buceros (Penelopides) sulcatus, Von Mart. J. f. O. 1866, p. 18. 

 Buceros (Cranorrhinus) sulcatus, Gray, Iland-l. B. ii. p. 129 (1870). 



Adult male. Occiput, nape, and back of neck deep chestnut : rest 

 of head, neck, and upper chest huff ; 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 man- 

 dible 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. Total length 29 inches, wing 13'2, tail 'J-(>, tarsus 2. 



Adah female. Differs from the mule in having the plumage of 



