DREISSENA
Source: 567
‖Dreis″se‐na (?), n. [[NL. Named after Dreyssen, a Belgian physician.]] (Zoöl.) A genus of bivalve shells of which one species (D. polymorpha) is often so abundant as to be very troublesome in the fresh waters of Europe.
Source: 567
‖Dreis″se‐na (?), n. [[NL. Named after Dreyssen, a Belgian physician.]] (Zoöl.) A genus of bivalve shells of which one species (D. polymorpha) is often so abundant as to be very troublesome in the fresh waters of Europe.