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One of the Infusoria.

An infusorian of the family Vorticellidæ, common in fresh-water ponds.

eper tints than the rest of the mass. Brande & C. -- Eye animalcule (Zoöl), a flagellate infusorian belonging to Euglena and related genera; -- so called because it has a colored spot like an eye at one end. -- Eye doctor, an oculist. -- Eye of a volute (Arch.), the circle in the center of volute. -- Eye of day, Ey…

The protective case or shell of an infusorian or rotifer.

The influence of light on the movements of low organisms, as various infusorians, the zoöspores of certain algæ, etc.; also, the tendency to follow definite directions of motion or assume definite positions under such influence. If the migration is toward the source of light, it is termed positive phototaxis; if away f…

means of adjustment; -- also called shoe, and gib. Slipper animalcule (Zoöl.), a ciliated infusorian of the genus Paramecium. -- Slipper flower.(Bot.) Slipperwort. -- Slipper limpet, or Slipper shell (Zoöl.), a boat shell.

for conveying articulate sounds with increased force. -- Trumpet animalcule (Zoöl.), any infusorian belonging to Stentor and allied genera, in which the body is trumpet-shaped. See Stentor. -- Trumpet ash (Bot.), the trumpet creeper. [Eng.] -- Trumpet conch (Zoöl.), a trumpet shell, or triton. -- Trumpet creeper (Bo…