RHYTIDOCEROS UNDULATUS. 



WEEATHED HOENBILL. 



Le Calao a casque festonne, Levaill. Ois. Bares (1801) pis. 20, 21. 



Le calao javan, Levaill. Ois. Bares (1801) pi. 22; id. Hist. Nat. Ois. Afr. (1806) p. 124.pl. 239; Vieill. Nouv. 

 Diet. Hist. Nat. (1816) vol. iv. p. 595. 



Buceros javanensis, Wilkes?, Ency. Lond. (1808) vol. iii. p. 479. 



Buceros undulatus, Shaw, Gen. Zool. (1811) vol. viii. p. 26; Less. Trait. Ornith. (1831) p. 255. sp. 12; Horsf. 

 Trans. Linn. Soc. vol. xiii. p. 175; Vig. App. Mem. Earn. p. 666. 



Buceros javanicus, Shaw, Gen. Zool. (1811) vol. viii. p. 28; Vieill. Nouv. Diet. Hist. Nat. vol. iv. (1816) p. 595; 

 id. Ency. Meth. p. 401, t. 4, juv. 



Buceros niger, Vieill. Nouv. Diet. Hist. Nat. (1816) vol. iv. p. 592; id. Ency. Meth. p. 400. sp. 21. 



Buceros javanus, Dumont, Diet. Sc. Nat. (1817) vol. vi. p. 215. 



Buceros annulatus, Dumont, Diet. Sc. Nat. (1817) vol. vi. p. 210; Drapiez, Diet. Class. Hist. Nat. (1828) vol. iii. 

 p. 32. 



Buceros plicatus, Temm. Plan. Col. (1824) vol. ii. sp. 8 (text, partim) ; Ersch u. Grub. Ency. (1824) p. 287 

 (partim) ; Wagl. Syst. Av. (1827) sp. 8 (partim) ; Mull. & Schleg. Verh. Gesch. Ned. Ind. (1839-44) 

 pp. 24, 30 (Aves) ; G. E. Gray, Gen. Birds (1847) vol. ii. p. 399; Blyth, Cat. Birds Mus. Asiat. Soc. (1849) 

 p. 45. sp. 191; Hartl. Journ. fur Ornith. (1859) p. 289. sp. 30; Bernstein, Journ. fur Ornith. (1861) p. 113; 

 Schleg. Mus. P.-Bas (1862) p. 2; Eyton, Ost. Av. (1867) p. 60?; Sclat. Rev. List Vert. Anim. (1872) p. 170, 

 fig. 20; Garrod, Proc. Zool. Soc. (1873) p. 464 (nee Lath.). 



Buceros ruficollis, Blyth (nee Vieill.), Journ. Asiat. Soc. Beng. (1843) vol. xii. p. 176. 



Buceros pucor an , Blyth, Journ. Asiat. Soc. Beng. vol. xii. pt. ii. p. 990. 



Buceros pasuran, Blyth, Cat. Birds Mus. Asiat. Soc. Beng. (1849) p. 45. 



Rhyticeros plicatus, Keichenb. Syst. Av. (1849) pi. 50; Bon. Consp. Vol. Anisod. (1854) p. 3; Horsf. & Moore, Cat. 

 B. Mus. E.-Ind. Co. (1856-58) vol. ii. p. 598. sp. 882; Moore, Proc. Zool. Soc. (1859) p. 451; Godwin- 

 Austen, Journ. Asiat. Soc. Beng. (1870) pt. ii. p. 96, ? ; Jerd. Ibis (1872) p. 5 (nee Lath.). 



Rhytidoceros obscurus, Cab. & Hein. Mus. Hein. (1860) Th. ii. p. 172; Salvad. Ucc. Born. (1874) p. 85 (nee 

 Gmel.). 



Buceros (Rhyticeros) obscurus, Gray (nee Gmel.) Hand-1. Birds (1870) pt. ii. p. 129. 



Aceros, sp. indet. ? Godwin-Austen, Journ. Asiat. Soc. Beng. (1870) pt. ii. p. 96. sp. 1466. 



Aceros plicatus, Blyth (nee Lath.) Cat. Mamm. & Birds Burma (1875) p. 69. sp. 71. 



Hab. Malayan peninsula, northward to Sylhet, Sumatra, Java (Blyth) ; North Cachar (Godwin-Austen) 

 Borneo. 



Very great confusion exists in the synonymy of this species ; and it has been the recipient of 

 a large number of names. It has generally been known as the Buceros plicatus of Latham ; but 

 this title was bestowed upon the bird from Ceram and the neighbouring islands, called by 

 ornithologists Buceros ruficollis. In my article on this latter species, this question of synonymy 



