1250. Machaerhamphus alcinus.
The Slender-billed Pern.
Machaerhamphus alcinus, Westerm. Bijd. t. d. Dierk. i, p. 30, pl. (1848) ; Sharpe, Cat. B. M. i, p. 342; Hume, S. F. iii, p. 269; id. Cat. no. 57 ter ; Hume & Dav. S. F. vi, p. 24 ; Gurney, Ibis, 1879, p. 464; Oates, B. B. ii, p. 206.
Coloration. Black more or less tinged with brown, except the feathers on the upper and lower eyelids and on the throat and middle of the breast, which are white; a black stripe from the chin down the middle of the throat. In some specimens, probably immature, there is more white on the breast, and indications of bars on the tail-feathers, and a Malacca skin shows a narrow white collar.
Bill black; cere very thin (apparently black); irides bright yellow; legs and feet pale plumbeous (Davison).
Length of a male 18 ; tail 7 ; wing 14.4; tarsus 2.4; mid-toe without claw 1.9; bill from gape 1.8.
Distribution. Malay Peninsula, Borneo, and New Guinea ; a single specimen was obtained by Mr. Hough at Malewoon in the extreme south of Tenasserim. Nothing is known of the habits, but the bird is very probably crepuscular.