finback

[FINNER.] fin-fish, s . A sailor's name for some of the fin backed whales, especially for the Northern Rorqual, or Razor-backed Whale ( Balœnoptera boops ). fin-foot, s . Zool .: A name given to Heliornis , a genus of South American and Burmese birds belonging to the family Rallide or Rails. fin-footed, a. Palmiped ous; having feet with membranes between the toes. fin-pike, s. Palæont . ( pl . ): A name applied to the Polypteri, a sub-family of Ganoid fishes. [POLYPTERI.] fin-scale, s. A name given to the Rudd or Redeye, a fish of the carp kind. fin-spine, s. 1. A spine-shaped ray in the fin of a fish. 2. ( Pl .): Acanthopterygious fishes. [ACANTHOPTERYGII.]