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An extensive series of strata, principally developed in the Rocky Mountain region, as in the Laramie Mountains, and formerly supposed to be of the Tertiary age, but now generally regarded as Cretaceous, or of intermediate and transitional character. It contains beds of lignite, often valuable for coal, and is hence als…

numbers in all coelenterates, and in a few animals of other groups. They are most highly developed in the tentacles of jellyfishes, hydroids, and Actiniæ. Each of these cells is filled with, fluid, and contains a long, slender, often barbed, hollow thread coiled up within it. When the cell contracts the thread is quic…

ntrivances are provided for as they arise. Burke. Latent buds (bot.), buds which remain undeveloped or dormant for a long time, but may at length grow. Latent heat (Physics), that quantity of heat which disappears or becomes concealed in a body while producing some change in it other than rise of temperature, as fusion…

ng a platform or leaf which swings vertically on hinges. -- Leaf bud (Bot.), a bud which develops into leaves or a leafy branch. -- Leaf butterfly (Zoöl.), any butterfly which, in the form and colors of its wings, resembles the leaves of plants upon which it rests; esp., butterflies of the genus Kallima, found in Sou…

The development of the surface of a body on a plane, so that the dimensions of the different sides may be easily ascertained. Gwilt. [Written also ledgement, legement, and ligement.]

in the Belgian province of Limburg (Limbourg), and usually not eaten until the curing has developed a peculiar and, to most people, unpleasant odor.

y calcining limestone or shells, the heat driving off carbon dioxide and leaving lime. It develops great heat when treated with water, forming slacked lime, and is an essential ingredient of cement, plastering, mortar, etc.CaO

at Britain, which lie at the base of the Cambrian system; -- so called, because typically developed in the Longmynd Hills, Shropshire.

uncouth refine. Pope. Luxuriant flower (Bot.), one in which the floral envelopes are overdeveloped at the expense of the essential organs.

A subdivision of decapod Crustacea, having the abdomen largely developed. It includes the lobster, prawn, shrimp, and many similar forms. Cf. Decapoda.

That branch of science which treats of the development of electricity by the action of magnets; -- the counterpart of electro- magnetism.

generations may follow, but if meanwhile the host is bitten by a mosquito, the parasites develop into gametes in the stomach of the insect. These conjugate, the zygote thus produced divides, forming spores, and eventually sporozoites, which, penetrating to the salivary glands of the mosquito, may be introduced into a…

andibular arch (Anat.), the most anterior visceral arch, -- that in which the mandible is developed.

e source of Evil. The Manichæans stand as representatives of dualism pushed to its utmost development. Tylor.

To cultivate by manual labor; to till; hence, to develop by culture. [Obs.] To whom we gave the strand for to manure. Surrey. Manure thyself then; to thyself be improved; And with vain, outward things be no more moved. Donne.

A system or wireless telegraphy developed by G. Marconi, an Italian physicist, in which Hertzian waves are used in transmission and a coherer is used as the receiving instrument.

A fat herring with undeveloped roe. [Written also matty.] [Eng. & Scot.]

Brought by natural process to completeness of growth and development; fitted by growth and development for any function, action, or state, appropriate to its kind; full-grown; ripe. Now is love mature in ear. Tennison. How shall I meet, or how accost, the sage, Unskilled in speech, nor yet mature of age Pope.…

The state or quality of being mature; ripeness; full development; as, the maturity of corn or of grass; maturity of judgment; the maturity of a plan.

ised elaborately carved temples and places, and they possessed a superior calendar, and a developed system of hieroglyphic writing, with records said to go back to about 700 a. d.