BAM UGE ROM DAs 9 
a’. Casque with a black patch anteriorly. 
2. Bill black at the extremity (Q), oy white with a black patch at the base of the 
MUAH COLES (GM) nme me ges Se TS sek ste ate CY ce see Ae a enue 
B. Outer tail-feathers black tipped with white. 
b. Breast and belly black. 
3. Eyebrow white (O'), or blackish-grey(Q) . . . . . A. MALAYANUS. 
. Posterior end of casque and mandtbles black (GQ), or anterior part ofl bill Hee with 
a reddish-brown patch in front of the black at the base of the lower mandible (Q). 
. CONVEXUS. 
(iy SWAP USRECTIN so. Queenan ee nee See ies) fe ee cn 9.) Na IMENTS. 
DISS UZESINGILEH ES Mic Rin a wl, oO Bs sk ee AV UTAUERBARTCUS: 
1. Taal pure white. 
6. Bill and casque blackish. . . . . at Be . . A. MONTANI. 
. Bill and casque yellowish-white, with a black b patch at the base of the lower 
TOMATO VERA ST Mrs ee) Os i, Vho-| ets iy 1 Sera a ee eee pear Nee TAT CHUL 
1. Anthracoceros coronatus (Boddaert). (Plate 1, Figs. 5, 5a.) Indian Peninsula and 
Buceros coronatus Boddaert, Tabl. Pl Enl. p. 53 (1783). Ceylon. 
Buceyos pica Scopoli. Faun. et Flor. Insub. p. 87 (1786). 
Buceros malabaricus var, Latham, Ind. Ornith. Vol. 1, p. 144 (1790), et auct. plur. (nec 
Gmelin). 
Buceros dschindschicus Latham & Davis, Faun. Ind. p. 6 (1795). 
Buceros violaceus Shaw, Gen. Zool. Vol. 8, p. 19 (1811). 
Buceros monoceros Shaw, ibidem, p. 8 (18rr). 
Anthracoceros coronatus Reichenbach, Syst Avium, pl. 49 (1850); Elliot, Monogr. Bucerot. 
pl. rr (1882). 
Hydrocissa pica, monoceros et violaceus Bonaparte, Consp. Gen. Avium, Vol. 1, p. 90 (1850). 
Anorrhinus violaceus Bonaparte, Consp. Volucr. Anisod. p. 2 (1854). 
Hydrocissa coronata Horsfield & Moore, Cat. Birds Mus. E. Ind. Co. Vol. 2, p. 588 
(1856-1858). 
2. Anthracoceros convexus (Temminck). Malacca, Sumatra, Java 
Buceros albiyostris Horsfield (nec Shaw), Trans. Linn. Soc. Lond, Vol. 13, p. 175 (1822). and Borneo. 
Buceros convexus Temminck, Pl. Col. Vol. 2, p. 82, p!. 530 (1832). 
Buceros violaceus Hay (nec Shaw), Madr. Journ. Vol. 13, p. 148 (1844). 
Buceros intermedius Blyth, Journ, Asiat Soc. Beng. Vol. 16, p. 994 (1847). 
Hydrocissa convera Horsheld & Moore, Cat. Birds Mus. I. Ind. Co. Vol. 2. p. 5or 
(1856-58). 
Anthracoceros convexus Sharpe, Proc. Zool. Soc. Lond. p. 329 (1878); Elliot, Monogr. 
Bucerot. pl. 12 (1882). . 
Hydrocissa albirostris Nicholson (nec Shaw), The Ibis, p. 56 (1882). 
5. Anthracoceros malabaricus par: Burma, Tenasserim, Si- 
Buceros malabaricus Gmelin, Syst. . Vol. 1, p. 359 (1788). am, Cochin-China and 
Buceros albirostris Shaw, Gen. oe oe 8, p. 13 (1811). Malacca. 
Buceros leucogaster Blyth, Journ. Asiat. Soc. Beng. Vol. 10, p. 922 (1843). 
Buceros nigvalbus Hodgson, in Gray, Zool. Misc. p. 85 (1844). 
Hydrocissa albivostris Horsfield & Moore, Cat. Birds Mus. E. Ind. Co. Vol. 2. p. 589 
(1856-58). 
Hydrocissa coronata Godwin-Austen, Journ. Asiat. Soc. Beng. Vol. 14, p. 95 (1875). 
Anthracoceros fraterculus Elliot, Ann. Mag. Nat. Hist. (5), Vol. 1, p. 85 (1878); Monogr. 
Bucerot. pl. 14 (1882). 
Anthracoceros malabaricus 12\liot, Monogr. Bucerot. pl. 13 (1882). 
Aunthracoceros allirostris Oates, Birds Brit. Burma, Vol. 2, p. go (1883). 
4. Anthracoceros malabaricus var. affinis (futton). Himalaya, India. 
Buceros malabaricus et albiyostris (part.) auct. plur. 
Buceros afinis Hutton, Journ. Asiat. Soc. Beng. Vol, 18, p. 803 (1849), 
Hydrocissu affinis Jerdon, Birds Ind. Vol. 1, p. 247 (1862). 
Anthracoceros afinis Ogilvie-Grant, Cat. Birds Brit. Mus, Vol. 17, p. 366 (1892). 
Aunthracoceros malabaricus var. affints Dubois, Syn. Avium, Vol. 1, p. 1or (1899). 
