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The lowest class of Vertebrata, including only the Amphioxus. The heart is represented only by a simple pulsating vessel. The blood is colorless; the brain, renal organs, and limbs are wanting, and the backbone is represented only by a simple, unsegmented notochord. See Amphioxus. [Written also Leptocardii.]…

ent. See Escapement. -- Lever jack. See Jack, n., 5. -- Lever watch, a watch having a vibrating lever to connect the action of the escape wheel with that of the balance. Universal lever, a machine formed by a combination of a lever with the wheel and axle, in such a manner as to convert the reciprocating motion of th…

That portion of the vibration of a balance during which the impulse is given. Saunier. Dead lift. See under Dead. Swift. -- Lift bridge, a kind of drawbridge, the movable part of which is lifted, instead of being drawn aside. -- Lift gate, a gate that is opened by lifting. -- Lift hammer. See Tilt hammer. -- Lift l…

the cornea. Etym: Jamaican E limba to bend, fr. E. limber (1950)]. Often performed at celebrations, such as weddings. (1950-1996)

Of or pertaining to Linnæus, the celebrated Swedish botanist. Linnaean system (Bot.), the system in which the classes are founded mainly upon the stamens, and the orders upon the pistils; the artificial or sexual system.

A city of France celebrated for certain manufactures. Lisle glove, a fine summer glove, made of Lisle thread. -- Lisle lace, a fine handmade lace, made at Lisle. -- Lisle thread, a hard twisted cotton thread, originally produced at Lisle.

small, calcareous concretions (otoliths). They are found in many Medusæ, and other invertebrates, and are supposed to be auditory organs.

it includes all forms and services in any language, in any part of the world, for the celebration of Mass.

A very large glandular and vascular organ in the visceral cavity of all vertebrates.

The portion of a vibrating string, air column, etc., between two nodes; -- called also ventral segment. Loop knot, a single knot tied in a doubled cord, etc. so as to leave a loop beyond the knot. See Illust. of Knot.

A large motile spore having four vibratile cilia; -- found in certain green algæ.

A celebrated whirlpool on the coast of Norway.

A celebrated epic poem of the Hindoos. It is of great length, and is chiefly devoted to the history of a civil war between two dynasties of ancient India.

An extensive group of Invertebrata, including the Mollusca, Brachiopoda, and Bryozoa. Called also Malacozoaria.

The highest class of Vertebrata. The young are nourished for a time by milk, or an analogous fluid, secreted by the mammary glands of the mother.

A celebrated Rhine wine.

A class of Vertebrata, lower than fishes, characterized by their purselike gill cavities, cartilaginous skeletons, absence of limbs, and a suckerlike mouth destitute of jaws. It includes the lampreys and hagfishes. See Cyclostoma, and Lamprey. Called also Marsipobranchiata, and Marsipobranchii.

To celebrate Mass. [Obs.] Hooker.

A priest who celebrates Mass. [R.] Bale.

The old masters, distinguished painters who preceded modern painters; especially, the celebrated painters of the 16th and 17th centuries. -- To be master of one's self, to have entire self-control; not to be governed by passion. -- To be one's own master, to be at liberty to act as one chooses without dictation from…