Psittacus megalorhynchos Boddaert, Tabl. Pl. Enl. (1783), 45.
Tanygnathus megalorhynchus Salvadori, Cat. Birds Brit. Mus. (1891),
20, 426; Sharpe, Hand-List (1900), 2, 30.
Balut (Mearns). Western New Guinea, Papuan and Molucca Islands,
Sangi, Talaut, and Togian Islands.
"Adult.--Green, underneath yellowish green; sides yellow; feathers
of the interscapular region green, edged with light blue; lower
back and uropygium light blue; scapulars black, edged with blue;
quills and greater upper wing-coverts blue, edged with green;
smaller and median upper wing-coverts black, the last edged with
bright yellow; under wing-coverts and axillars yellow; tail above
green, with yellow tip, underneath golden yellow, duller towards
the base. 'Iris yellowish, with an outer ring white; bill coral-red;
feet lead-color.' (D'Albertis.) Length, 432; wing, 238 to 254; tail,
150 to 160; bill, 45 to 51; tarsus, 21.
"Female.--Has the bill smaller than the male.
"Young.--Has the scapulars and the upper wing-coverts not so black and
more greenish, and the yellow edges of the same paler." (Salvadori.)