PAVE BUCE RO RUD A 19 
al’. Middle of breast, belly, front of thighs and under tail-coverts white ; remainder 
of plumage black. 
5. Basal part of lower mandible veddish black; third and fourth pairs of tail- 
feathers white a ken GM ee gees a eee mes Rae BONS CTAT USE 
. Basal part of lower maniible yellowish white; third and fourth pairs of tail- 
Oo) 
feathers black with while ends. ee ee eee Le oEiIrEASeramus: 
7. Breast blackish grey ; belly mixed with white; back, rump and upper tarl-coverts 
greyish black ; bill blackish, crimson towards UWE UD). aaa ea ee eee SEPARA UP TE 
C. Wing-coverts spotted or margined with white. 
b. Wing-coverts spotted with white. 
8. Plumage like L. hartlaubi, but the wing-coverts spotted with white ; bill and 
small casque red, mandibles partly black ee GRAN TT. 
c. Wing-coverts margined with white ; middle parr of tail-feathers with whitish shafts. 
9. Bill and casque yellowish white; wings more than 230mm. . . . . . . JL. PALIDIROSTRIS. 
10. Bill with the end orange-ved; wings undey 230 mm. . . . . . . . . L. NEUMANNI. 
D. A white or pale buff line from the nape down the centre of the back; middle parr of tail- 
feathers with white shafts. 
ite CONAN RA CIRO. Gs eo a eee PS oo &@ eo A eg ce | ILS NAS ITUS, 
na. Al wrpall hie URC QOO NG (OSGI. 3s Ss se a ek hh el gl gl Cg!) LL, oRREENTUS, 
1. Lophoceros birostris (Scopoll). Western and central Pe- 
ninsula of India to 
Buceros birostris Scopoli, Faun. et-Flor. Insubr. Vol. 2, p. 87 (1786). 
Buceros ginginianus Latham, Ind. Ornith. Vol. 1, p. 146 (1790). Nena 
Buceros oxyurus Wagler, Syst. Avium, Buceros, no. 14 (1827). 
Buceros cinerascens Hodgson, Icon. ined. in Brit. Mus. Pass. pl. 313 (1844). 
Tockus gingintanus Bonaparte, Consp. Gen Avium, Vol. 1, p. 91 (1850). 
Meniceros ginginianus Bonaparte, Consp. Volucr. Anisod. p. 3 (1854). 
Tockus bicornis Horsfield & Moore, Cat. Birds Mus. E. Ind. Co. Vol. 2, p. 597 (1856-1858). 
Penelopides ginginianus Cabanis & Heine, Mus. Heinean. Vol.2, p. 169 (1868). 
AMeniceros bicornis Jerdon, Birds Ind. Vol. 1, p. 248 (1862). 
Ocyceros ginginianus Fume, Nests and Eges Ind. Birds, p. 113 (1873). 
Ocyceros bicornis Fairbank, Str. Feath. Vol. 5. p. 394 (1877). 
Ocyceros biyostris Davidson & Wenden, Str. Feath. Vol. 7, p. 78 (1878). 
Lophoceros birostris E\liot, Monogr. Bucerot. pl. 48 (1882); Dubois, Syn. Avium, Vol. 1, 
p- 103 (1899). 
2. Lophoceros melanoleucus (Lichtenstein). (Plate 2, Fig. 8.) Africa, S. of about 5° N. 
Buceros melanoleucus Lichtenstein, Cat. Hamb. p. 8, no. go (1793). 4 ai 
Buceros coronatus Shaw, Gen Zool. Vol. 8, p. 35 (1811). 
Tockus melanoleucus Bonaparte, Consp. Gen. Avium, Vol. 1, p. 91 (1850); Elliot, Monogr. 
Bucerot. pl. 49 (1882). 
Rhynchoceros melanoleucus Bonaparte, Consp. Volucr. Anisod. p. 3 (1854). 
Lophoceros melanoleucus Cabanis & Heine, Mus. Hcinean. Vol. 2, p. 168 (1860); Dubois, 
Syn. Avium, Vol. 1, p. 103 (1899). 
Tockus coronatus Gurney, The Ibis, p. 133 (1861). 
Lophoceros alboterminatus Buttikoffer, Notes Leyd. Mus, Vol. 11, p. 67 (1889). 
Lophocevos m linoleucus suahelicus Neumann, Journ. f. Ornith. p. 187 (1905). 
3. Lophoceros melanoleucus var. angolensis Reichenow. Angola. 
Lophoceros melanoleucus angolensis Reichenow, Vog. Afr. Vol. 2. p. 250 (1902-03). 
4. Lophoceros melanoleucus var. geloensis Neumann. Sobat District, N. E. 
Africa. 
Lophoceros melanoleucus geloensis Neumann, Journ. f. Ornith. p. 188 (1905). 
