HORN-BILL. 321 



channelled on the sides, but in the one described it is closed on the 

 fore part. 



When complete, the plumage is deep black, with a brown tinge 

 on the wing coverts ; prime quills fulvous white, or Isabella-colour ; 

 tail square at the end, and the wings reach one-fourth thereon ; the 

 helmet dark horn-colour, and the mandibles, which are blackish, 

 have beneath the helmet a square, reddish patch ; the indentures on 

 the sides more or less shew the difference of age. 



Young birds, in which the helmet is not complete, have the 

 plumage dusky brown, instead of black, and the quills rufous white. 



14— PANAYAN HORN-BILL. 



Buceros Panayensis, Ind. Orn. i. 144. Gm. Lin. i. 360. 



Calao a. bee cisele de Panay, Son. Voy. 122. t. 82. 83. Levail. Ois. Am. et Ind.\. p. 47. 



pi. 16. 17. 18. Buf. vii. p. 145. PI. ml. 780. 781. 

 Furrowed Horn-bill, Shaw's Zool. viii. p. 33. 

 Panayan Horn-bill, Gen. Syn.'\. p. 353. 



SIZE of the Raven. The bill very long, arched, toothed on the 

 edges, pointed at the end, and compressed on the sides, which are 

 ridged transversely from the base to two-thirds of its length, the 

 ridges are brown, and the furrowed parts between the colour of 

 orpiment ; the rest of the bill smooth and brown ; on the top is an 

 appendage, flattened on the sides, sharp at the top, and cut to a 

 sharp angle before ; the eye surrounded with a naked, brown skin, 

 and the eyelids furnished with stiff bristles ; irides whitish ; plumage 

 on the head, neck, wings, and back greenish black, changing into 

 blue in different lights ; the under parts much the same, but inclining 

 to dusky; feathers of the nape elongated; the tail consists of ten 

 feathers, two-thirds from the base rufous yellow, and one-third to 

 the end black; legs lead-colour; the middle toe united with the outer 

 to the third articulation, but with the inner only as far as the first. 



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