lestornis

[Gr. lēstēs =a robber, and ornis = a bird.] Palæont.: A genus of fo il birds, order Odontolce. Akin to Hes per ornis (q.v.). Lestornis cras sipes is found in the American Cretaceous beds. les-tris, s. [Gr. lestris, a peculiar form of les trikos piratical; lestes =a pirate, a buccaneer.] Ornith.: Skuas, Skua-gulls. A genus of predaceous natatorial birds, family Laride. The bill is strong, hard, cylindrical, formed for cutting; compre ed, curved, and hooked at point, base of upper mandible covered with a cere. Nostrils toward point of beak, diagonal, narrow, closed behind. pervious. Legs strong, naked above tarsi, which are long; three toes, palmated, in front; hind toe small; claws large, strong, and much curved. Tail slightly rounded; the two middle feathers generally elongated, sometimes considerably. The genus is found