cycloide1

pl. [Masc. pl. of Mod. Lat. cyclo ide us, from Gr. kyklos =a circle.] Ichthy. & Palæont.: 1. The name given by Aga iz to one of the four orders into which, for paleontological purposes, he divided the great cla of Fishes. It consisted of those which have cycloidal scales. The carp, the salmon, the herring, ., po e this dermal cover ing. [CYCLOID SCALE.] 2. In Prof. Owen's cla ification the second suborder of the Acanth opter a or Acanthopterygious Fishes.