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One of the four subkingdoms in the classification of Cuvier. It has been much modified by later writers.

One of the divisions of Articulata in which there are no jointed legs, as the annelids; -- opposed to Arthropoda.

A division of the Articulata, having the body formed of numerous rings or annular segments, and without jointed legs. The principal subdivisions are the Chætopoda, including the Oligochæta or earthworms and Polychæta or marine worms; and the Hirudinea or leeches. See Chætopoda.

A division of the Articulata, including the annelids and allied groups; sometimes made to include also the helminths and echinoderms. [Written also Annuloidea.]

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

Of or pertaining to the Articulata; articulate.

An animal of the subkingdom Articulata.

rms, having jointed arms around the margin of the oral disk; -- also called Brachiata and Articulata. See Illusts. under Comatula and Crinoidea.

Without a hinge; -- said of an order (Inarticulata or Ecardines) of brachiopods.

A white or yellow resin obtained from a Barbary tree (Callitris quadrivalvis or Thuya articulata), and pulverized for pounce; -- probably so called from a resemblance to the mineral.

her the animal, or vegetable kingdom, as, in zoölogy, the Vertebrata, Tunicata, Mollusca, Articulata, Molluscoidea, Echinodermata, Coelentera, and the Protozoa; in botany, the Phanerogamia, and the Cryptogamia.

nd beautiful wood of a North African tree (Callitris quadrivalvis), formerly called Thuja articulata. The tree is of the Cedar family, and furnishes a balsamic resin called sandarach. Rev. xviii. 12.