Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 505
already shown, is really an act of groivth,which continues indefinitely so long as moisture is abundant andthe temperature low. But under the influence of heat and drynessthe process of cell-multiplication gives place to that of conjugation,in which two cells, apparently similar in all respects,… … Fig. 369.—Development of Protoeoccus jpluvialis. like a particle of dust, yet resumes its vegetative activity wheneverplaced in the conditions favourable to it. The conjugating processcommences by the putting forth of protrusions from the boundariesof two adjacent cells, which meet, fuse together…
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