= a Nightjar in Aristotle, a Screech-Owl in the Anthology (xi. 186); but strictly a "Night-Raven,"
Bill short, stout, with culmen curved. Head crested, with two or three orna¬mental nape-plumes. Wing rounded. Third quill longest. Tarsus reticulated in front with large hexagonal scales. Tail broad and even. Six powder-down patches. Nearly cosmopolitan.