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A name applied in Germany to the Permian formation, there consisting of two principal groups.

One of a group of gigantic, horned beetles, including Dynastus Neptunus, and the Hercules beetle (D. Hercules) of tropical America, which grow to be six inches in length.

An element of the rare earth-group. Symbol Dy; at. wt., 162.5.

and anteaters; -- called also Bruta. The incisor teeth are rarely developed, and in some groups all the teeth are lacking.

A group of Crustacea in which the eyes are without stalks; the Arthrostraca. [Written also Edriophthalmata.]

scovered and named scandium; -- so called because it was a missing analogue of the boron group. See Scandium.

vered and named germanium; -- so called because it was a missing analogue of the silicon group. See Germanium, and cf. Ekkabor.

A group of chelonians which comprises many species of fresh- water tortoises and terrapins.

An extinct group of marine reptiles, embracing both the Ichthyosauria and the Plesiosauria, now regarded as distinct orders.

A group of Rhizopoda having a distinct nucleus, as the am

The number nine or a group of nine. The Enneads, the title given to the works of the philosopher Plotinus, published by his pupil Porphyry; -- so called because each of the six books into which it is divided contains nine chapters.

To encircle. [R.] The Muses and the Graces, grouped in threes, Enringed a billowing fountain in the midst. Tennyson.

A mineral of the pyroxene group, orthorhombic in crystallization; often fibrous and massive; color grayish white or greenish. It is a silicate of magnesia with some iron. Bronzite is a ferriferous variety.

A group of wormlike invertebrates having, along the sides of the body, branchial openings for the branchial sacs, which are formed by diverticula of the alimentary canal. Balanoglossus is the only known genus. See Illustration in Appendix.

One of a group of hymenopterous insects whose larvæ feed parasitically upon living insects. See Ichneumon,

e subclasses of Crustacea, including a large number of species, many of them minute. The group embraces several orders; as the Phyllopoda, Ostracoda, Copepoda, and Pectostraca. See Copepoda, Phyllopoda, and Cladocera.

A group of Bryozoa in which the anus is within the circle of tentacles. See Pedicellina.

A group of worms, including the tapeworms, flukes, roundworms, etc., most of which live parasitically in the interior of other animals; the Helminthes.

table decoration, usually consisting of several dishes or receptacles of different sizes grouped together in an ornamental design.

of ephemeral, but of eternal, efficacy. Sir J. Stephen. Ephemeral fly (Zoöl.), one of a group of neuropterous insects, belonging to the genus Ephemera and many allied genera, which live in the adult or winged state only for a short time. The larvæ are aquatic; -- called also day fly and May fly.