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One of the small cuplike cavities, often with elevated borders, covering the surface of most corals. Each is formed by a polyp. (b) One of the cuplike structures inclosing the zooids of certain hydroids. See Campanularian. [Written also calycle. See Calycle.]

family ampanularidæ, characterized by having the polyps or zooids inclosed in bell-shaped calicles or hydrothecæ.

d side by side in groups, looking in an end view like links of a chain. When perfect, the calicles show twelve septa. -- Chain coupling. (a) A shackle for uniting lengths of chain, or connecting a chain with an object. (b) (Railroad) Supplementary coupling together of cars with a chain. -- Chain gang, a gang of convi…

The central pillar or axis of the calicles of certain corals.

One of the calicles which, in some Hydroidea (Thecaphora), protect the hydrants. See Illust. of Hydroidea, and Campanularian.

One of a peculiar kind of cups, or calicles, found upon hydroids of the family Plumularidæ. They contain nematocysts. See Plumularia.

A suborder of corals including many reef-building species, having round, starlike calicles.

ne of several upright slender calcareous processes which surround the central part of the calicle of certain corals.

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.

One of the transverse plants found in the calicles of certain corals and hydroids. Tabula rasa ( Etym: [L.], a smoothed tablet; hence, figuratively, the mind in its earliest state, before receiving impressions from without; -- a term used by Hobbes, Locke, and others, in maintaining a theory opposed to the doctrine of…

An artificial group of stony corals including those which have transverse septa in the calicles. The genera Pocillopora and Favosites are examples.

The more or less cuplike calicle of a coral.

s species of Bryozoa belonging to Tubulipora and allied genera, having tubular calcareous calicles.