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Webster 1913 Edition

Annelida

‖

An-nel′i-da

,

Noun.

pl.

[NL. See

.]

(Zool.)

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

.