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That one of the two primary divisions of the vegetable kingdom which contains the phanerogamic, or flowering, plants.

A division of fishes in which the lower pharyngeal bones are united. It includes the scaroid, labroid, and embioticoid fishes.

A local division of the people in ancient Athens; a clan; a tribe.

One of the larger divisions of the animal kingdom; a branch; a grand division.

A division of Hymenoptera; the sawflies.

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 division of birds including the woodpeckers and wrynecks.

One of the primary divisions of a decompound leaf.

Divided in a pinnate manner, with the divisions not reaching to the midrib.

One of the small divisions of a decompound frond or leaf. See Illust. of Bipinnate leaf, under Bipinnate.

A passageway for the air in speaking and breathing; the windpipe, or one of its divisions.

The class of Vertebrata that includes the fishes. The principal divisions are Elasmobranchii, Ganoidei, and Teleostei.

A division of mammals including the apes and monkeys. Sometimes used in the sense of Primates.

A division of Mammalia including those that have a placenta, or all the orders above the marsupials.

A division of ganoid fishes including those that have large external bony plates and a cartilaginous skeleton.

A division of gastropod Mollusca, including the chitons. The back is covered by eight shelly plates. Called also Polyplacophora. See Illust. under Chiton, and Isopleura.

A division of Turbellaria; the Dendrocoela.

A division of Pseudoneuroptera including the species which have four broad, flat wings, as the termites, or white-ants, and the stone flies (Perla).

A division of monkeys, including the American species, which have a broad nasal septum, thirty-six teeth, and usually a prehensile tail. See Monkey. [Written also Platyrrhini.]

Of, pertaining to, or characterizing, the most recent division of the Tertiary age.