Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 576
of the oesophagus by extensions of itssubstance, which envelope them in filmy envelopes that maintainthemselves as distinct from the surrounding protoplasm, and thusconstitute extemporized digestive vesicles. These vesicles soon findtheir way into the radiating extensions of the central mass… … Pair of Digestive Vesicles of Noctiluca, lying in course ofextension of central protoplasmic mass a, to form peripheralreticulation &, and containing remains of Algae.—Magnified480 diameters. or two are to be distinguished ; more commonly from four to eightcan be seen; and even twelve or more…
Microscopy · Biology
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