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Any coral of the genus Porites, or family Poritidæ.

An important genus of reef-building corals having small twelve- rayed calicles, and a very porous coral. Some species are branched, others grow in large massive or globular forms.

Producing a cluster of branchlets from a larger branch; -- said of corals. Proliferous cyst (Med.), a cyst that produces highly- organized or even vascular structures. Paget. -- Pro*lif"er*ous*ly, adv.

pustulelike prominences; pustular; pustulous; as, a pustulate leaf; a pustulate shell or coral.

A small branch, or branchlet, of corals, hydroids, and similar organisms.

A chain or range of rocks lying at or near the surface of the water. See Coral reefs, under Coral.

one of several species of bryozoans of the genus Retepora. They form delicate calcareous corals, usually composed of thin fenestrated fronds.

ak salts with bases, and stable ones with acids. Called also methyl aurin, and, formerly, corallin.

An extinct tribe of fossil corals, including numerous species, many of them of large size. They are characteristic of the Paleozoic formations. The radiating septs, when present, are usually in multiples of four. See Cyathophylloid.

The hard calcareous deposit in the tissues of Anthozoa, constituing the stony corals.

The calcareous or hornlike coral forming the central stem or axis of most compound alcyonarians; -- called also foot secretion. See Illust. under Gorgoniacea, and Coenenchyma. -- Scler`o*ba"sic, a.

The stony corals; the Madreporaria.

A hydroid coral of the genus Millepora, especially M. alcicornis, of the West Indies and Florida. So called because it stings the tongue like ginger. See Illust. under Millepore.

Any bryozoan of the genus Flustra or allied genera which form frondlike corals.

Any bryozoan which forms rounded or irregular patches of coral on stones, seaweeds, etc.

A gorgonian coral with long flexible branches.

Of or pertaining to a septum or septa, as of a coral or a shell.

One of the radial calcareous plates of a coral.

ce, a dance by men only. [slang, U.S.] -- Stag hog (Zoöl.), the babiroussa. -- Stag-horn coral (Zoöl.), any one of several species of large branching corals of the genus Madrepora, which somewhat resemble the antlers of the stag, especially Madrepora cervicornis, and M. palmata, of Florida and the West Indies. -- Sta…

se; cold; morally hard; appearing as if petrified; as, a stony heart; a stony gaze. Stony coral. (Zoöl.) Same as Stone coral, under Stone.