See also:

• ARCELLA (C. G. Ehrenberg)

ARCELLA (C. G. See also:

• EHRENBERG, CHRISTIAN GOTTFRIED (1795-1876)

Ehrenberg)  , a genus of lobose See also:

• RHIZOPODA

Rhizopoda, characterized by a chitinous plano-See also:

• CONVEX

convex See also:

• SHELL
• SHELL (O. Eng. scell, scyll, cf. Du. sceel, shell, Goth. skalja, tile; the word means originally a thin flake,. cf. Swed. skalja, to peel off; it is allied to " scale " and " skill," from a root meaning to cleave, divide, separate)

shell, the circular See also:

• APERTURE (from Lat. aperire, to open)

aperture central on the See also:

• FLAT (a modification of O. Eng. flet, an obsolete word of Teutonic origin, meaning the ground beneath the feet)

flat ventral See also:

• FACE (from Lat. fades, derived either from facere, to make, or from a root fa-, meaning " appear "; cf. Gr. cbatvstv)

face, and more than one See also:

• NUCLEUS (Lat. for the kernal of a nut, nux, the stone of fruit)

nucleus and contractile vacuole . It can develop vacuoles, or rather See also:

• FINE

fine bubbles of carbonic See also:

• ACID (from the Lat. root ac-, sharp; acere, to be sour)

acid See also:

• GAS

gas in its cytoplasm, to See also:

• FLOAT (in O. Eng. floc and flota, in the verbal form f eotan; the Teutonic root is flut-, another form of flu-, seen in " flow," cf. " fleet "; the root is seen in Gr. a-M e, to sail, Lat. pluere, to rain; the Lat, fluere and fluctus, wave, is not connect

float up to the See also:

• SURFACE

surface of the See also:

• WATER

water .