DICHOCEROS BICORNIS 



THE HOMKAI 



Buceros bicornis, Linn. Syst. Nat. (1766) vol. i. p. 153 ; Gmel. Syst. Nat. (1788) vol. i. p. 358 ; Lath. Ind. Ornith. 



(1790) vol. i.p. 142; Shaw, Gen. Zool. (1811) vol. viii. p. 16; Vieill. Nouv. Diet. Hist. Nat. (1816) vol. iv. 



p. 597; Dumont, Diet. Sc. Nat. (1817) vol. vi. p. 198; Vieill. Ency. Meth. (1823) p. 301; Temm. Plan. Col. 



(1824) vol. ii. sp. 4 (text) ; Erschu. Gmb. Ency. (1824) p. 283; Wagl. Syst. Av. (1827) sp. 5 ; Less. Trait. Ornith. 



(1831) p. 254. sp. 9; Mull. & Schleg. Verh. Geschied. Nederl. Ind. (1839-44) p. 27. sp. 11 ; G. R. Gray, 



Gen. Birds (1849) vol. ii. p. 349; Bon. Consp. Gen. Av. (1850) p. 89. sp. 2; Hartl. Journ. fur Ornith. (1859) 



p. 288. sp. 28; Baker, Journ. Asiat. Soc. Beng. (1859) p. 292; Schleg. Mus. Pays-B. (1862) p. 3; Sclat. 



Wolfs Zool. Sketch. 2nd Ser. pi. xxix. ; G. R. Gray, Hand-1. B. pt. ii. (1870) p. 127. sp. 7870; Blanf. Ibis 



(1870) p. 466. sp. 33; Giebel, Thes. Ornith. (1872) vol. i. p. 496; Garrod, Proc. Zool. Soc. (1873) p. 464. 

 Le Calao a casque concave, Le Vaill. Ois d'Amer. (1801) pis. 3, 4 (heads), and 5. 

 Le Calao bicorne, Le Vaill. Ois. d'Amer. pis. 7, 8 (bill), (1801). 

 Buceros cavatus, Shaw, Gen. Zool. (1811) vol. viii. p. 18 ; Raffles, Trans. Linn. Soc. vol. xiii. (1822) p. 291 ; Ersch 



u. Grub. Ency. (1824) p. 285; Vig. Appen. Mem. Raffl. (1830) p. 666; Jerd. Madr. Journ. (1840) p. 37; 



Blyth, Journ. Asiat. Soc. Beng. (1842) vol. xii. pt. ii. p. 986; Gould, Cent. Birds, pi.; Blyth, Cat. Birds Mus. 



Asiat. Soc. (1849) p. 42; Blanf. Ibis (1870) p. 466. sp. 32. 

 Buceros cristatus, Vieill. Nouv. Diet. Hist. Nat. (1816) vol. iv. p. 591 ; id. Ency. Meth. (1823) p. 399. 

 Buceros homrai, Hodg. Journ. Asiat. Soc. Beng. (1832) p. 251 ; id. Asiat. Research. (1833) p. 102 ; J. E. Gray, 



Zool. Misc. p. 85; G. R. Gray, Gen. Birds (1849) vol. ii. p. 349. sp. 3; id. Hand-1. Birds (1870) pt. ii. p. 127. 



sp. 7871. 

 Dichoceros cavatus, Glog. Hand u. Hilfs. Naturgesch. (1842) p. 335; Hume, Str. Feath. vol. v. (1875) p. 20; Bour- 



dillon, Str. Feath. (1876) p. 384. 

 Homraius bicornis, Bon. Consp. Vol. Anisod. p. 2, gen. 7. sp. 17 (1854); Horsf. & Moore, Cat. Birds Mus. E.-Ind. 



Co. (1856-8) vol. ii. p. 583. no. 868; Moore, Proc. Zool. Soc. (1859) p. 447; Jerd. B. Ind. (1862) vol. i.p. 242; 



Blyth, Ibis (1866) p. 349 ; Jerd. Ibis (1872) p. 4. 

 Dichoceros homrai, Hume, Stray Feath. vol. ii. p. 470 (1874), and vol. iii. (1875) p. 55. 

 Dichoceros bicornis, Cab. & Hein. Mus. Hein. (1860) Th. ii. p. 173. no. 477 ; Hume, Stray Feath. vol. ii. (1874) 



p. 470 ; Blyth, Cat. Mamm. & Birds Burma, Journ. Asiat. Soc. Beng. (1875) p. 68. sp. 68. 



Homrai m Nepaul, Ban-rao at Mussoree (Jerdon). Ingghen Papan of the Sumatrans (Raffles). Kugrong 

 of the Lepchas, Gogrung of the Bhoteeas (Jerdon). Burong Oondan of the Malays (Raffles). 



Hab. Indo-Chinese countries, Malayan peninsula and Sumatra (Blyth, Schlegel) . 



This Hornbill was described by Linnaeus (I. c), who cited among the first of his synonyms 

 Willughhy's < Ornithology,' t. 17. fig. 1. This author correctly figures the head and hill of the 

 present species, with the two sides of the casque turned slightly upwards at their anterior termina- 















