Genus TOCKUS. 
Bill much smaller than in Anthracoceros, without the casque, but with the ridge of the 
culmen sharp and slightly elevated, and with the sides of the upper mandible vertical at the base ; 
the cutting-edge serrated. Nostril basal and round ; orbital region wide. Eyelids furnished 
with stiff lashes. Wings, tail, and feet as in the last genus. 
TOCKUS GINGALENSIS. 
(THE CEYLONESE HORNBILL.) 
(Peculiar to Ceylon.) 
Buceros gingala, Wilkes, Encycl. Lond. iii. p. 480 (1808). 
Buceros gingalensis, Shaw, Gen. Zool. viii. p. 37 (1811) ; Temm. PL Col. ii. p. 17 (1824) ; 
Blyth, Cat. B. Mus. A. S. B. p. 44 (1849); Kelaart, Prodromus, Cat. p. 126 (1852) ; 
Layard, Ann. & Mag. Nat. Hist. 1854, xiii. p. 260 ; Schlegel, Mus. P.-B. 1862, p. 12. 
Buceros pyrrhopygus, Wagl. Syst. Av. (1827). 
Tockus gingalensis, Bonap. Consp. Gen. Av. 1850, p. 91; Jerdon, B. of Ind. p. 250 (1862, 
in part); Blyth, Ibis, 1867, p. 296 ; Jerd. Ibis, 1872, p. 5 ; Holdsworth, P. Z. S. 1872, 
p. 425 ; Legge, Ibis, 1874, p. 14, et 1875, p. 282 ; Elliot, Mon. Bucerotidse, pt. iv. (1877). 
Bhinoplax gingalensis, Bonap. Consp. Yol. Anisod. 1854, p. 8. 
Buceros ( Benelopides ) gingalensis, Von Mart. Journ. fur Ornith. 1866, p. 18. 
The Small Hornbill, Kelaart ; Toucan, Europeans in Ceylon ; The Grey Hornbill or Jungle 
Grey Hornbill. 
Kcendetta, Sinhalese. 
c? ad. supra sordide cinerascens, pilei plumis vix brunnescentioribus medialiter albido obscure lineatis : tectricibus 
alarum purius cineraceis, nigro limbatis : remigibus nigris vix viridi lavatis, primariis ad basin extremam albis, 
primariis medialiter albo extiis marginatis et albo late terminatis, secundariis extus cineraceis anguste albo 
limbatis, intimis dorso concoloribus : rectricibus centralibus cineraceis, reliquis viridi-nigris, basaliter cineraceis, 
exterioribus late albo terminatis : regione parotica nigricanti-brunnea, albido anguste striolata : genis et corpore 
subtus toto albidis, crisso rufescente : tibiis cineraceis : rostro albido, frontem versus rufescente, culmine et 
mandibulll nigricantibus : pedibus cinereis, unguibus nigris ; iride rubra. 
$ haud a mare distinguenda. 
Adult male and female. Length 22 to 23 inches ; wing 8 - 0 to 8 - 3 ; tail 9‘0 to 9‘5 ; tarsus l - 6 to 1’7 ; middle toe 1*3, 
claw (straight) 0-55 ; bill, gape to tip, straight 3'9 to 4-3, along culmen T3 to 4-4. Expanse 27’0. 
Iris red ; orbital skin and eyelash black ; bill fleshy white in some, with a reddish tinge adjacent to the forehead, the 
vertical part of the upper mandible black, lower mandible with a blackish patch beneath ; legs and feet slaty bluish 
or greenish plumbeous, claws blackish. 
Head and nape reddish cinereous brown, each feather with a pale mesial stripe ; ear-coverts blackish brown, with pale 
centres ; back and upper tail-coverts cinereous brown, paling to slaty op the hind neck, and with a slightly rufous 
cast on the back in some ; wing-coverts greyish slate, the feathers margined with blackish ; quills black, the outer 
webs of secondaries mostly slaty, with a still paler edge ; terminal portion of 3rd, 4th, 5th, and 6th primaries 
white ; tail greenish black, the central feathers pervaded with a cinereous hue, and the terminal portion of the 
remainder white; normally this extends to half the feather on the two outer pairs, and decreases on each 
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