semionotus

[Pref. semio-, and Gr. notos =the back.] Palæont.: A genus of Sauride, with distichous fulcra. There are two species, from the Lias. sẽ-mi-õph-õr-ŭs, s. [Pref. semio-, and Greek phoros bearing.] Palæont .: Agenus of Carangide, from the Eocene of Monte Bolca. The dorsal, commencing imme diately above the head, is enormously developed; the ventrals are long and slender, and thoracic, placed below and in advance of the pectorals, which are very small. sẽ-mi-op-ter-a, s . [Pref. semio- , and Gr. pteron =a wing.] Ornith.: Standard-wing (q.v.), a genus of Para dis eine, with one species, Semi opter a wallacii , discovered by Mr. A. R. Wallace in 1858, in Batch i an, one of the Moluccas, to which group it appears to be confined. Bill long, compre ed, culmen much curved, tip emarginate; nostrils basal, oval, hidden by frontal plumes; wings rounded, fourth and fifth primaries equal and longest; tail moderate, slightly rounded; tarsi long, rather slender, covered by a single scale; toes slender, rather short; claws long, much curved, acute.