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One of the Amphipoda.

Of or pertaining to the Amphipoda.

A numerous group of fourteen -- footed Crustacea, inhabiting both fresh and salt water. The body is usually compressed laterally, and the anterior pairs or legs are directed downward and forward, but the posterior legs are usually turned upward and backward. The beach flea is an example. See Tetradecapoda and Arthrostr…

Of or pertaining to the Amphipoda.

A division of Crustacea, which, in some its characteristics, is intermediate between Amphipoda and Isopoda.

called because the thorax and abdomen are both segmented; Tetradecapoda. It includes the Amphipoda and Isopoda.

sandy or pebbly shore; the strand. Beach flea (Zoöl.), the common name of many species of amphipod Crustacea, of the family Orchestidæ, living on the sea beaches, and leaping like fleas. -- Beach grass (Bot.), a coarse grass (Ammophila arundinacea), growing on the sandy shores of lakes and seas, which, by its interlac…

A genus of marine amphipod crustacea, which bore into and sometimes destroy timber.

A division of amphipod Crustacea, in which the abdomen is small or rudimentary and the legs are often reduced to five pairs. The whale louse, or Cyamus, and Caprella are examples.

Any species of amphipod crustacean of the genus Orchestia, or family Orchestidæ. See Beach flea, under Beach.

breeds in, sandy places, especially the common dog flea. (b) the chigoe. (c) Any leaping amphipod crustacean; a beach flea, or orchestian. See Beach flea, under Beach. -- Sand flood, a vast body of sand borne along by the wind. James Bruce. -- Sand fluke. (Zoöl.) (a) The sandnecker. (b) The European smooth dab (Pleu…

An amphipod crustacean; as, the skeleton screw (Caprella). See Sand screw, under Sand. Archimedes screw, Compound screw, Foot screw, etc. See under Archimedes, Compound, Foot, etc. -- A screw loose, something out of order, so that work is not done smoothly; as, there is a screw loose somewhere. H. Martineau. -- Endle…

Any swimming amphipod crustacean. Storm scud. See the Note under Cloud.

In a loose sense, any small crustacean, including some amphipods and even certain entomostracans; as, the fairy shrimp, and brine shrimp. See under Fairy, and Brine.

pation of taking, whales. -- Whale louse (Zoöl.), any one of several species of degraded amphipod crustaceans belonging to the genus Cyamus, especially C. ceti. They are parasitic on various cetaceans. -- Whale's bone, ivory. [Obs.] -- Whale shark. (Zoöl.) (a) The basking, or liver, shark. (b) A very large harmless s…

phaga. (e) Any one of several species of small Crustacea, as the Limnoria, and the boring amphipod (Chelura terebrans). -- Wood carpet, a kind of floor covering made of thin pieces of wood secured to a flexible backing, as of cloth. Knight. -- Wood cell (Bot.), a slender cylindrical or prismatic cell usually tapering…