Search: Oliver, Daniel in correspondent 
1860-1869::1860::10::31 in date 
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From:
Charles Robert Darwin
To:
Daniel Oliver
Date:
[31? Oct 1860]
Source of text:
DAR 261.10: 19 (EH 88206003)
Summary:

The best way to see cell movement in Drosera hair, is to cut off those lately inflected over a fly, sketch shape of red matter under high power, and repeat after one or two minutes.

Contributor:
Darwin Correspondence Project