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The outer branch of the legs in certain Crustacea. See Maxilliped.

The region between the antennæ and the mouth, in Crustacea.

tozoön. Among them are the lice, ticks, many acari, the lerneans, or fish lice, and other crustaceans.

The external branch of the appendages of Crustacea.

casting off of some part, more particularly, the outer cuticular layer, as the shells of crustaceans, skins of snakes, etc.; molting; ecdysis.

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

One of the numerous small eyes which make up the compound eyes of insects and crustaceans.

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

The stem which supports which supports the eye in decapod Crustacea; eyestalk.

sight, a form of front sight placed on target rifles. -- Globe slater (Zoöl.), an isopod crustacean of the genus Spheroma. -- Globe thistle (Bot.), a thistlelike plant with the flowers in large globular heads (Cynara Scolymus); also, certain species of the related genus Echinops. -- Globe valve. (a) A ball valve. (b…

Any leglike appendage of a crustacean, when modified wholly, or in part, to serve as a jaw, esp. one of the maxillipeds.

ngage, in the Vocabulary. -- Green gland (Zoöl.), one of a pair of large green glands in Crustacea, supposed to serve as kidneys. They have their outlets at the bases of the larger antennæ. -- Green hand, a novice. [Colloq.] -- Green heart (Bot.), the wood of a lauraceous tree found in the West Indies and in South Am…

e cadmium sulphide, a mineral occurring in yellow hexagonal crystals, also as an earthy incrustation.

A small marine isopod crustacean (Limnoria lignorum or L. terebrans), which burrows into and rapidly destroys submerged timber, such as the piles of wharves, both in Europe and America.

A slender outgrowth from the chitinous cuticle of insects, spiders, crustaceans, and other invertebrates. Such hairs are totally unlike those of vertebrates in structure, composition, and mode of growth.

A digestive gland in Crustacea, Mollusca, etc., usually called the liver, but different from the liver of vertebrates.

y for another. [Obs.] "We rest your hermits." Shak. Hermit crab (Zoöl.), a marine decapod crustacean of the family Paguridæ. The species are numerous, and belong to many genera. Called also soldier crab. The hermit crabs usually occupy the dead shells of various univalve mollusks. See Illust. of Commensal. -- Hermit t…

A genus of marine decapod crustaceans, which burrow rapidly in the sand by pushing themselves backward; -- called also bait bug. See Illust. under Anomura.

A division of phyllopod Crustacea, including those that are entirely covered by a bivalve shell.