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An extensive genus of fossil ferns, of which species have been found from the Devonian to the Triassic formation.

edina, Clinton, and Niagara epoch. The rocks of the Niagara epoch, mostly limestones, are extensively distributed, and at Niagara Falls consist of about eighty feet of shale supporting a greater thickness of limestone, which is gradually undermined by the removal of the shale. See Chart of Geology.

hing swayed. Milton. The influence of reason in producing our passions is nothing near so extensive as is commonly believed. Burke. Nothing off (Naut.), an order to the steersman to keep the vessel close to the wind.

An extensive family of butterflies including the nymphs, the satyrs, the monarchs, the heliconias, and others; -- called also brush-footed butterflies.

consisting of small round grains, resembling the roe of a fish. It sometimes constitutes extensive beds, as in the European Jurassic. See the Chart of Geology.

zothærus Nuttallii) found on the northwest coast of America. It is excellent food, and is extensively used by the Indians. -- Sea otter. (Zoöl.) See in the Vocabulary.

common wild pigeon of North America (Ectopistes migratorius), so called on account of its extensive migrations.

An extensive genus of fossil ferns; -- so named from the regular comblike arrangement of the leaflets.

An extensive division of ruminants, including the antelopes, deer, and cattle.

An extensive division of Coleoptera, including those that normally have five-jointed tarsi. It embraces about half of all the known species of the Coleoptera.

An extensive tribe or suborder of fishes, including the true perches (Percidæ); the pondfishes (Centrarchidæ); the sciænoids (Sciænidæ); the sparoids (Sparidæ); the serranoids (Serranidæ), and some other related families.

shell of the genus Littorina. The common European species (Littorina littorea), in Europe extensively used as food, has recently become naturalized abundantly on the American coast. See Littorina.

, H3PO4, which is the most highly oxidized acid of phosphorus, and forms an important and extensive series of compounds, viz., the phosphates. -- Soluble phosphoric acid, Insoluble phosphoric acid (Agric. Chem.), phosphoric acid combined in acid salts, or in neutral or basic salts, which are respectively soluble and i…

An extensive division of birds which includes the woodpeckers, toucans, trogons, hornbills, kingfishers, motmots, rollers, and goatsuckers. By some writers it is made to include also the cuckoos, swifts, and humming birds.

A kind of oil gas extensively used for lighting railroad cars, which carry it in compressed form.

An extensive suborder of fresh-water physostomous fishes having the anterior vertebræ united and much modified; the Eventognathi.

Of or pertaining to an extensive marshy district between Rome and Naples. [Written also Pomptine.]

and are used, when cooked, for food. It is probably a native of Brazil, but is cultivated extensively in the warmer parts of every continent, and even as far north as New Jersey. The name potato was applied to this plant before it was to the Solanum tuberosum, and this is the "potato" of the Southern United States. --…

An extensive tract of level or rolling land, destitute of trees, covered with coarse grass, and usually characterized by a deep, fertile soil. They abound throughout the Mississippi valley, between the Alleghanies and the Rocky mountains. From the forests and the prairies, From the great lakes of the northland. Longfel…

superintendent of a department who has control of its police establishment, together with extensive powers of municipal regulation. [France] Brande & C.