8. CRA.XORKHINUS. 377 



c-e. cJ 5 a'l- sk. Menado (E. van Did- Twceddale Coll. 



venbude). 



f. $ ad. sk. Menado. Hume Coll. 



(/. $ ad. sk. Menado. A. 11. Wallace, Esq. rC.]. 



h, i. c? $ ad. sk. Macassar. A. K. Wallace, Esq. [C]. 



A-. cJ ad. St. No loc. Edward Wilson, Esq. [P.]. 



8. CRANOREHINUS. 



Type. 

 Cassidix, Bonaj). {nee Less.) Consp. Gen. Au. i. p. 90 



(1850) C. cassidix. 



Cranorrhinus, Cab. ^- Heine, Mns. Hein. ii. \). IT-"} (IbGO). C. cassidix. 



Bill large, curved and compressed ; casque elevated in front and 

 rounded off behind, covering the basal two fifths of the culmen, and 

 extending over the skull to above or behind the eye, subcylindrical 

 and smooth, or somewhat compressed and transversely folded ; the 

 base of both mandibles, or the lower only, covered with a plate and 

 transversely grooved. Throat naked. Tail-feathers subequal, white, 

 or white with the bases or ends or both black. Crest moderate or 

 well-developed. 



]ian(je. Malacca, Sumatra, Borneo, Celebes, and Philippine Islands. 



Key to the Species*. 



I. A grooved plate at the base of both mandibles ; 



tail white cassidix, p. 377. 



II. A grooved plate at the base of the lower 



mandible only. 



a. Tail with basal thi)d black, rest white .... corruf/atus, p. 379. 



b. Tail white with black tip leucocephuhis, p. 378. 



c. Tail white (stained rufous), the basal third 



and the tip black waldeni, p. 380. 



1. Cranorrhinus cassidix. 



Buceros cassidix, Te7)im. PI. Col. ii. p. 66, pi. 210 (1823) ; Waffl. Si/sf. 



Av. Buceros, no. 3 (1827) ; Griff". Atnm. Kinq. ii. p. 434, pi. 



(1829) ; Less. Traite Orn. p. 253 (1831) ; Mitll. %■ 8chl. Verh. Ges. 



Ned. Ind. p. 24 (1839-44) ; Gray, Gen. Birds, ii. p. 399 (1847) ; 



Schl. Mils. Pays-Bas, i. Buceros, p. 9 (1862). 

 Calao (Cassidix) cassidix, Bonap. Con-sp. Gen. Av. i. p. 90 (18o0). 

 Rhyticeros (Cassidix) cassidix, Bonaj). Con.sp. Vol. Anisod. p. 3 



(1854). 

 Cranorrhinus cassidix, Cah. ^- Heine, Mus. Hein. ii. p. 173 (1860) ; 



Midi, c^- Schl. Verh. Ges. Ned. Ind., Aves, p. 24, pi. 4 bis " $ ] (1839- 



44) ; Wallace, Malay. Arch. i. p. 364 (1869) ; Wald. Tr. Z. S. viii. 



p. 47, figs. 1-4 (1872) ; Lenz, J.f. O. Ib77, p. 370; JElJiot, Mon. 



Bucerot. pi. 16 [text] (1877) : Mei/er, Ibis,}87U, p. 65; Guillemard, 



P. Z. S. 1885, p. 54; id. Marchc^a, ii. p. 188 (1886). 

 Buceros (Cranonhinus) cassidix, Gray, Hand-l. B. ii. p. 129 (1870); 



Dubois, Bull. Mm. Bchj. iii. p. 192' (1884). 



* Males have the head coloured ; iu the females it i£ black. 



