2. BUCEROS. 



353 



Buceros rhinoceros, var. a. sumatrauus, b. borneensis, c. iudica, 



Miill. ^Schl. Verh. Ges.Ned.'Ind. p. 22 (183'J-44). 

 Buceros rhinoceros, var. sumatranus and var. borneensis, Schl. Mus. 



Pays-Bas, i., Buceros, p. 4 (1862). 

 Buceros rhinoceroides (Temm. Mus. Lugd.), Bonap. Cojisj). Gen. Ac. 



i. p. 89 (1850) ; id. Consp. Vol. Anisod. p. 2 (1854). 

 Buceros sublunatus [Temm. Mus. Lugd.), Bonap. Co7isp. Gen. Av. i. 



p. 90 (1850) ; id. Cutisp. Vol. Anisod. p. 2 (1854). 



Adult male. Head, neck, back, wings, and breast dark black, 

 the back and wings being slightly glossed with steel-blue and dark 

 green ; rump, upper tail-coverts, bell}', thighs, and under taU- 

 coverts white ; tail white, with a wide subterminal bar of black 

 across each feather ; bill whitish yellow ; base of both mandibles 

 and base of casque black, casque curving up anteriorly, dark lake- 

 red shading to orange on the lower part ; a black line runs along the 

 side from the nostril to the anterior part of the casque; iris deep 

 lake; legs and feet yellowish green. Total length 45 inches, wing 

 18, tail 14-3, tarsus 25. 



Adult femaU does not differ in plumage from the male; bill and 

 casque as in the male, but not black posteriorly, and there is no 

 black line running from the nostril up the middle of the casque. 

 Total length 38-5 inches, wing 17-2, tail 13-5, tarsus 2-3. 



Young does not differ in plumage from the adult, but the casque 

 is only indicated by a small elongate triangular lump on the top of 

 the maxiUa. The small casque is orange-red, and the same colour 

 surrounds the base of the mandibles and gradually shades into pale 

 yellow towards the extremity. 



Hah. Malay Peninsula, Sumatra, Borneo. 



a. S ad. sk. 



b. $ ad. sk. 

 Cyd. cJ 5 ad. sk. 

 e. cS ad. sk. 



/. c? ad. sk. 

 ff. c? ad. sk. 



h. (S ad. sk. 



»'. c? ad. sk. 



k-m. (S 2 ad. et 



J imm. sk. 

 n. d ad. sk. 

 0,2}. 6 2 ad. sk. 



Johore, Aug. ( W. Davison). 

 Klang, April ( W. Davison). 

 Malacca (Dr. Cantor). 

 Malacca. 



Malacca (Dr. A. C. Maingny). 

 Rawas River, Sumatra, Nov. [H. 



O. Forbes). 

 Tandjong, Sumatra, Aug. {M. O. 



Forbes). 

 Mt. Sago, Sumatra, Sept. [Carl 



Bock). 

 Sumatra, Sept., Oct. {Carl Bock). Tweeddale Coll 



Hume Coll. 

 Hume Coll. 

 India Museum. 

 Capt. S. Pinwill 



^ LP-]- 



Tweeddale Coll. 

 F. Nicholson, Esq. 



[P-]. 

 F. Nicholson, Esq. 



[P.]. 

 Tweeddale Coll. 



Sumatra. 



Lawas River, Borneo. 



q. cJ ad. sk. Lawas River, Borneo. 



r. 2 ad. sk. 

 s. Imm. sk. 

 t. $ ad. St. 

 u. cJ ad., head 



only. 

 V. Skeleton. 



VOL. XVII. 



Sarawak. 

 Baram, Sarawak. 

 Indian Archipelago. 



VVaUace Coll. 



R. T. Ussher, Esq, 



[C.]. 

 H. Veitch, Esq. 



[P.]. 

 U allace Coll. 

 C. Hose, Esq. [C.]. 



2a 



