8. CRANOERHINITS. 370 



head and neck dark shininj? black, and the casque smooth. Total 

 length 23-5 inches, wing 11-0, tail 8-5, tarsus 1-8. 

 Hab. Mindanao, Camiguin, Philippiuo Islands. 



a,b. S 2 ad. sk. Butuan {A. H. Everett). Tweeddale Coll. 



c-/. 6 ? ad. sk. Siirigao [A. H. Everett). Tweeddale Coll. 



(/, h. (S imni. st. Mindanao. H. Cuming, E.«q. [C.]. 



/. $ iuim. sk. Mindauao,Oct.( Worcester). Steere Expedition. 



k. 2 ad. St. Camiguin Is. il. Cuming, Esq. [C.]. 



3. Cranorrhinus corrugatus. 



Buceros corrugatus, Temrn. PI. Col. ii. p. 85, pi. .531 [c?] (18.32); 



Miill. ^ Schl. Verh. Ges. Ned. Ind. pp. i^ & 31 (1839-44) ; Gray, 



Gen. Birds, ii. p. 399 (1847) ; Schl. Mus. Pays-Bas, i. Buceros, 



p. 9 (18fcii>) : Sdat. P. Z. S. 1868, p. 261 ; Bartl. P. Z. S. 1869, 



p. 142 ; Flotv. P. Z. S. 1869, p. 1.50 ; Sclat. P. Z. S. 1870, p. 220, 



1871, p. 489; Miirie, P. Z. S. 1874, p. 420. 

 Calao (Cassidix) corrugatus, Bonap. Consp. Gen. Av. i. p. 90 (18-50). 

 Khyticeros (Cassidix) corrugatus, Bonap. Consp. Vol. Anisod. p. 3 



(18.54)._ 

 Cranorrhinus corrugatus, Walden, Tratis. Z. S. viii. p. .51 (1872) ; 



Salvador!, Ucc. Borneo, p. 86 (1874) ; Sharpe, Ibis, 1879, p. 246; 



Elliot, Mon. Bucerot. pi. 17 [text] (1880) ; Hartert, J.f. O. 1889, 



p. 366. 

 Buceros (Cranorrhinus) corrugatus, Eubois, Bull. Mus. Bely. iii. 



p. 192 (1884). 

 Buceros gracilis, Temm. PI. Col. ii. p. S7, pi. 5.j5 [ $ ] (1832) ; Sclat. 



P. Z. S. 1870, p. 220. 

 Buceros rugosus, Beybie, Malay Peninsula (18.34), and Ann. May. 



N. H. xvii. p. 404 (1846). 

 Ilydrocissa migratoria, Mainy. P. As. Soc. Beny. p. 196 (1868). 



Adttlt male. Top of head and nape deep shining black, rest of 

 head and neck white; basal third of tail-feathers black, rest white, 

 though usually discoloured so as to appear buff or chestnut ; rest of 

 plumage black glossed with dark green : naked skin round eye blue ; 

 red with black markings on chin and throat ; iris reddish brown ; 

 feet dull black ; casque and base of mandibles bright red, rest of 

 bill yellow ; base of lower mandible with obliquely transverse ridge.s 

 separated by dark grooves ; casque with several transverse folds 

 anteriorly. Total length 32 inches, wing 10-2, tail lO'O, tarsus 1-9. 



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

 head and neck black, and the casque without transverse folds and 

 the same yellow colour as the bill. Total length 20 inches, wing 14, 

 tail 0-0, tarsus 1"9. 



Hab. Malacca, Sumatra, Borneo. 



a,b. S 9- ad.sk. Malacca,Nov.(Z>y. 3/«///yff)/). Tweeddale Coll. 



e, d. (S imm. ; J Malacca. 11. Cuming, Esq. [C.]. 



ad. St. 



^i/- 6 ? 'id. sk. Malacca, .luly. Hume Coll. 



y, h. cT ? ad. st. [Malacca r*] 



