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One of a family (Lernæidæ) of parasitic Crustacea found attached to fishes and other marine animals. Some species penetrate the skin and flesh with the elongated head, and feed on the viscera. See Illust. in Appendix.

Like or pertaining to the Leucosoidea, a tribe of marine crabs including the box crab or Calappa.

three divisions of the Jurassic period; a name given in England and Europe to a series of marine limestones underlying the Oölite. See the Chart of Geology.

a brilliant light, and moored off a shoal or place of dangerous navigation as a guide for mariners.

at the entrance of a port, or at some important point on a coast, to serve as a guide to mariners at night; a pharos.

Any one of many species of marine shellfish of the order Docoglossa, mostly found adhering to rocks, between tides.

scent, especially in the selection of the dam or mother. -- Line conch (Zoöl.), a spiral marine shell (Fasciolaria distans), of Florida and the West Indies. It is marked by narrow, dark, revolving lines. -- Line engraving. (a) Engraving in which the effects are produced by lines of different width and closeness, cut…

A large, marine, gadoid fish (Molva vulgaris) of Northern Europe and Greenland. It is valued as a food fish and is largely salted and dried. Called also drizzle.

an be reversed, or the cut-off varied, at will; -- used very generally in locomotives and marine engines.

used in dragging a heavy stone, a log, or the like, from a field. Lizard fish (Zoöl.), a marine scopeloid fish of the genus Synodus, or Saurus, esp. S. foetens of the Southern United States and West Indies; -- called also sand pike. -- Lizard snake (Zoöl.), the garter snake (Eutænia sirtalis). -- Lizard stone (Min.)…

An association of underwriters and others in London, for the collection and diffusion of marine intelligence, the insurance, classification, registration, and certifying of vessels, and the transaction of business of various kinds connected with shipping.

A very large marine turtle (Thalassochelys caretta, or caouana), common in the warmer parts of the Atlantic Ocean, from Brazil to Cape Cod; -- called also logger-headed turtle.

A nitrogenous organic base obtained by the oxidation of amarine, and regarded as a derivative of benzoic aldehyde. It is obtained in long white crystalline tufts, -- whence its name.

A large marine annelid (Arenicola marina) having a row of tufted gills along each side of the back. It is found burrowing in sandy beaches, both in America and Europe, and is used for bait by European fishermen. Called also lobworm, and baitworm.

A large, thick, clumsy, marine fish (Cyclopterus lumpus) of Europe and America. The color is usually translucent sea green, sometimes purplish. It has a dorsal row of spiny tubercles, and three rows on each side, but has no scales. The ventral fins unite and form a ventral sucker for adhesion to stones and seaweeds. Ca…

A large marine annelid (Nephthys cæca), inhabiting the sandy shores of Europe and America. It is whitish, with a pearly luster, and grows to the length of eight or ten inches.

A large, pearly, spiral, marine shell (Turbo margaritaceus), from the Pacific Islands. It is used as an ornament.

Any marine bivalve shell of the genus Mactra, and allied genera. Many species are known. Some of them are used as food, as Mactra stultorum, of Europe. See Surf clam, under Surf.

A marine food fish (Sciæna chrysura), of the Southern United States; -- called also yellowtail, and silver perch.

ion of the magnetic meridian. It constitutes the essential part of a compass, such as the mariner's and the surveyor's. -- Magnetic poles, the two points in the opposite polar regions of the earth at which the direction of the dipping needle is vertical. -- Magnetic pyrites. See Pyrrhotite. -- Magnetic storm (Terres…