PAM: BUCEROMIDAS 
8. GENUS BYCANISTES CaBANIS & HEINE 
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Bycanistes Cabanis & Heine, Mus. Heinean. Vol. 2, p. 171 (1860) (type : Buceros buccimator). 
Synonym : Pholidophalus Elliot, Monogr. Bucerot. pl. 32 (1882) (type : Buceros fistulatoy Q). 
Characters. Bill more or less large, and compressed; casque more or less large in the 
males, occasionally longer than bill, compressed, longitudinally or transversally furrowed, 
usually covering the basal three-quarters of the culmen; in the females the casque is quite 
rudimentary, and the bill has several irregular deep transverse grooves. Crest large, composed 
of long soft feathers. Tail subquadrate. Plumage black glossed with dark-green, and white. 
Size more or less large. 
Geographical Distribution. Africa, south of the Sahara. 
KEY TO THE SPECIES 
A. Breast and belly white. 
1. Outer tail-feathers black, tipped with white, casque blackish 
2. Secondaries and outer tail-feathers pure white 1), casque yellowish. 
3. Secondaries and outer tgil-feathers black with white ends (or nearly so), size 
smaller. 
B. Breast black, belly whate. 
a. Feathers on sides of head with grey ends. 
b. Ends of secondaries black, sometimes slightly margined with white. 
4. Outer tail feathers black, with the basal portion and the terminal quarter white . 
c. Greater wing-coverts with white ends. 
5. Tail white, a black band at base, and the middle tail-feathers uniformly black . 
6. Tail black, the third end white. Bay 
d. Feathers on sides of head black, without grey cnuds. 
e. Tail white, with a wide sub-basal black band. 
7. Thighs black in front 
8. Thighs pure white 
1. Bycanistes buccinator (Temminck). (Plate 3, Fig. 2.) 
Buceros buccinator Vemminck, P|. Col. Vol. 2, p. 93, pl. 284 (1824). 
Bucorvus bucctnator Bonaparte, Consp. Gen. Avium, Vol. 1, p. 89 (1850). 
Tmetoceros buccinator Bonaparte, Consp. Volucr. Anisod. p. 2 (1854). 
Bycanistes bucctnatoy Cabanis & Heine, Mus. Heinean. Vol. 2, p. 171 (1860); Elliot, 
Monogr. Bucerot. pl. 27 (1882); Dubois, Syn. Avium, Vol. 1, p. 101 (1899). 
2. Bycanistes leucopygus (Giebel). 
Buceros leucopygus Giebel, Zeitschr. Ges. Naturw. Vol. 47, p. 73, @ (1876). 
Buceros (Bycanistes) leucopygius Dubois, Bull. Mus. Hist. Nat. Belg. Vol. 3, p. 202, pl. 10. 
f. 1 (S juv.) (1884). 
Buceros fistulator var. Dubois, ibidem, pl. 11 (2) (1884). 
Buceros sharpii (nec Elliot) Sharpe, Journ. Linn, Soc. Lond. Zool. p. 438 (1884); 
Ogilvie-Grant (part.), Cat. Birds Brit. Mus. Vol. 17, p. 422 (1892); Reichenow, 
Journ. f. Ornith. p. 94 (1894); Vog. Afr. Vol. 2, p. 245 (1903). 
1) The primaries have occasionally white ends. 
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B. 
. BUCCINATOR. 
. LEUCOPYGUS. 
- FISTULATOR. 
CRISTATUS. 
- SUBCYLINDRICUS. 
. ALOYSII. 
CYLINDRICUS. 
ALBOTIBIALIS. 
South Africa, from Zam- 
besi to the Cape Colo- 
ny, and northwards to 
Angola. 
Nijam-Nfjam, Belgian 
Congo, Gaboon. 
