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A division of the Invertebrata, nearly equivalent to the Articulata. It includes the Arthoropoda and Anarthropoda. By some zoölogists it is applied to the former only.

A group of insects which includes the lice.

by means of webbed feet, as the duck, or of lobed feet, as the grebe. In this order were included the geese, ducks, auks, divers, gulls, petrels, etc.

The class of the Coelenterata which includes the corals and sea anemones. The three principal groups or orders are Acyonaria, Actinaria, and Madreporaria.

The group that includes man only.

science of the human species as to geographical distribution and environment. Broadly, it includes industrial, commercial, and political geography, and that part of ethnology which deals with distribution and physical environment. -- An`thro*po*ge*og"ra*pher (#), n. -- An`thro*po*ge`o*graph"ic*al (#), a.…

The suborder of primates which includes the monkeys, apes, and man.

thout wings, constituting the seventh Linnæn order of insects, an artificial group, which included Crustacea, spiders, centipeds, and even worms. These animals are now placed in several distinct classes and orders.

The order of Arachnida that includes the spiders.

The earliest period in geological period, extending up to the Lower Silurian. It includes an Azoic age, previous to the appearance of life, and an Eozoic age, including the earliest forms of life.

The division that includes man alone. R. Owen.

A group of the Carnivora, that includes the bears, weasels, etc.

The superficial contents of any figure; the surface included within any given lines; superficial extent; as, the area of a square or a triangle.

n, and turpentine, the balsams, camphors, etc., many of which have an aromatic odor. They include many of the most important of the carbon compounds and may all be derived from the benzene group, C6H6. The term is extended also to many of their derivatives. -- Aromatic vinegar. See under Vinegar.

A large division of Articulata, embracing all those that have jointed legs. It includes Insects, Arachnida, Pychnogonida, and Crustacea. -- Ar*throp"o*dal, a.

Crustacea, so called because the thorax and abdomen are both segmented; Tetradecapoda. It includes the Amphipoda and Isopoda.

A group of Tunicata, often shaped like a two-necked bottle. The group includes, social, and compound species. The gill is a netlike structure within the oral aperture. The integument is usually leathery in texture. See Illustration in Appendix.

A genus of simple ascidians, which formerly included most of the known species. It is sometimes used as a name for the Ascidioidea, or for all the Tunicata.

, it is a battery. Blackstone. Wharton. Practically, however, the word assault is used to include the battery. Mozley & W.

The internal parts of a flower, included within the calyx and the corolla. [Obs.] Johnson.