Bill large and compressed, longer than head; culmen strongly curved; gonys straight; nostrils completely hidden by stiff antrorse frontal feathers, the longest of which equal nearly one-half the length of bill from base; first primary much shorter than second, but more than one-half the length of wing; second primary much shorter than third, fourth longest, third and fifth nearly equal; rectrices broad; tail slightly or much rounded; feet and tarsi strong, the latter less than culmen from base. Plumage entirely black, glossed with purple and green; sexes alike.

Genera.

Genus CORONE Kaup, 1829.

First primary about equal in length to the outer secondaries, the latter shorter than some of the more interior ones; tail much rounded and about as long as the longest secondaries.

737. CORONE PHILIPPINA (Bonaparte).
PHILIPPINE CROW.

Wak, in general use.