Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 488
he latter, which PROTOZOA 465 are semi-fluid. A contractile vesicle (or rather, perhaps, a vacuole) may be observed in some part of the body, whichpulsates at tolerably-regular intervals ; and vacuoles orclear spaces are seen, surrounding the alimentary particleswhich have been received into the… … Amcebaprinceps, in different forms, a, b, c. the changes of form which it undergoes ; these being, in fact,part of one and the same set of actions. For the shapelessmass puts-forth one or more finger-like prolongations, whichare simply extensions of its gelatinous substance in thoseparticular…
Microscopy
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