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A little branch; a twig.

Full of branches; having wide-spreading branches; consisting of branches. Beneath thy branchy bowers of thickest gloom. J. Scott.

Abranchiate.

A group of annelids, so called because the species composing it have no special organs of respiration.

Without gills.

A branch of a river that reënters, or anastomoses with, the main stream; also, less properly, a branch which loses itself in sandy soil. [Australia]

A division of nudibranchiate Mollusca, in which the gills form a wreath or cluster upon the posterior part of the back. See Nudibranchiata, and Doris.

A group of Gastropoda, with limpetlike shells, including the abalone shells and keyhole limpets.

With temporary gills: -- applied to those Amphibia in which the gills do not remain in adult life.

A division of annelids in which the gills arise from or near the head. See Tubicola.

A group of nudibranchiate Mollusca having on the back papilliform or branched organs serving as gills.

Pertaining to the bone, or cartilage, below the epibranchial in a branchial arch. -- n.

A division of Mollusca having slender, cirriform appendages near the mouth; the Scaphopoda.

A group of nudibranch mollusks.

Having concealed or rudimentary gills.

Having the gills around the margin of the body, as certain limpets.

A group of nudibranch mollusks without special gills.

Having the skin modified to serve as a gill.

An order of cephalopods which includes those with two gills, an apparatus for emitting an inky fluid, and either eight or ten cephalic arms bearing suckers or hooks, as the octopi and squids. See Cephalopoda.

One of the Dibranchiata.