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One of the shieldlike dorsal scales of certain annelids. See Chætopoda.

d Isle, a name given to Ireland on account of the brightness of its verdure. -- Emerald spodumene, or Lithia emerald. (Min.) See Hiddenite. -- Emerald nickel. (Min.) See Zaratite.

A group of Rhizopoda having a distinct nucleus, as the am

The portion of each apodeme developed from the interepimeral membrane in certain crustaceans.

The part of each apodeme derived from the intersternal membrane in Crustacea and insects.

e number of species, many of them minute. The group embraces several orders; as the Phyllopoda, Ostracoda, Copepoda, and Pectostraca. See Copepoda, Phyllopoda, and Cladocera.

An isopod crustacean, parasitic on shrimps.

The Vulgate rendering of the Hebrew word qipod, which in the "Authorized Version" is translated bittern, and in the Revised Version, porcupine. I will make it [Babylon] a possession for the ericius and pools of waters. Is. xiv. 23 (Douay version).

A group of chætopod annelids, including those that are not confined to tubes. See Chætopoda. [Written also Errantes.]

A large division of gastropod molluske, including the Pulmonifera and Opisthobranchiata.

One of the movable peduncles which, in the decapod Crustacea, bear the eyes at the tip.

fairies in their midnight dances. -- Fairy shrimp (Zoöl.), a European fresh-water phyllopod crustacean (Chirocephalus diaphanus); -- so called from its delicate colors, transparency, and graceful motions. The name is sometimes applied to similar American species. -- Fairy stone (Paleon.), an echinite.…

A membranous, finlike, swimming organ, as in pteropod and heteropod mollusks.

a) allied to the grebes. The name is also applied to several related species of the genus Podica.

A genus of marine gastropod mollusks, having a conical or limpetlike shell, with an opening at the apex; -- called also keyhole limpet.

A lashlike appendage of a crustacean, esp. the terminal ortion of the antennæ and the epipodite of the maxilipeds. See Maxilliped.

A simple podlike pericarp which contains several seeds and opens along the inner or ventral suture, as in the peony, larkspur and milkweed.

The peduncle or stem by which various marine animals are attached, as certain brachiopods and goose barnacles.

An extensive order of rhizopods which generally have a chambered calcareous shell formed by several united zooids. Many of them have perforated walls, whence the name. Some species are covered with sand. See Rhizophoda.

e of several species of Asiatic and East Indian birds of the genus Batrachostomus (family Podargidæ); -- so called from their very broad, flat bills.