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ge, either of persons or things, collected without any regular form or arrangement; as, a group of men or of trees; a group of isles.

ies of valuable food fishes of the genus Epinephelus, of the family Serranidæ, as the red grouper, or brown snapper (E. morio), and the black grouper, or warsaw (E. nigritus), both from Florida and the Gulf of Mexico.

The disposal or relative arrangement of figures or objects, as in, drawing, painting, and sculpture, or in ornamental design.

To bring together in a group; to group. Dryden.

Arrangement in a group or in groups; grouping.

See Aggroupment.

A subdivision of the cretaceous formation of western North America, especially developed in Colorado and the upper Missouri region.

A group of artificial dyes with an affinity for vegetable fibers, so that no mordant is required. Most of them are azo compounds derived from benzidine or tolidine. Called also benzidine dyes.

A subdivision at the base of the cretaceous formation in Western North America; -- so named from the region where the strata were first studied.

A minor subdivision at the base of the Cambrian system in Wales.

contains beds of lignite, often valuable for coal, and is hence also called the lignitic group. See Chart of Geology.

A series of strata in the lower Silurian formations of Great Britain; -- so named from Llandeilo in Southern Wales. See Chart of Geology.

A subdivision of the British Upper Silurian lying below the Old Red Sandstone; -- so named from the Ludlow, in Western England. See the Chart of Geology.

A subdivision of the Chemung period in American geology. See Chart of Geology.

A subdivision of the Primordial or Cambrian period in American geology; -- so named from the sandstone of Potsdam, New York. See Chart of Geology.

The middle of the three groups into which the rocks of the Canadian period have been divided in the American Lower Silurian system. See the Chart of Geology.

A subdivision of a group, as of animals. Darwin.

The middle subdivision of the Upper Silurian in Great Britain; -- so named from the typical locality in Shropshire.

A fish of the group Abdominales.

A group including the greater part of fresh-water fishes, and many marine ones, having the ventral fins under the abdomen behind the pectorals.