Investigations On Microscopic Foams And On Protoplasm Experiments Observation
Investigations On Microscopic Foams And On Protoplasm Experiments Observation
Otto I E Johann Adam Otto Btschli
The book Investigations On Microscopic Foams And On Protoplasm Experiments Observation was written by author Otto I E Johann Adam Otto Btschli Here you can read free online of Investigations On Microscopic Foams And On Protoplasm Experiments Observation book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Investigations On Microscopic Foams And On Protoplasm Experiments Observation a good or bad book?
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This observation astonished me very much at the time, since such currents are always very distinct and strong in the vicinity of large oil-drops. Hence, without attempting to explain the reasons of this deviation from the rule, it seems to me of sufficient importance to diminish the difficulties raised by Berthold's objections. If, however, we take our stand upon Berthold's hypo- thesis, the complete absence of any phenomena of streaming in the surrounding water would be just as strong evidence... against his explanation as against that put forward here. Since Berthold's hypothesis is founded exclusively upon the alterations of surface tension which are caused by 1 See Appendix at the end of the next section (pp. 317-319 infra). 300 PROTOPLASM chemical changes at the anterior end of the body of an Amoeba, extension-currents must necessarily arise, as I have pointed out already, at the surface of the body of an Amoeba, in connection with these changes. Hence, if Berthold denies generally the existence of any currents in the water surrounding an Amoeba, this is, in my opinion, just as strong evidence against his own theory as against the one brought forward here.
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