Search: Darwin, C. R. in correspondent 
Sorby, H. C. in correspondent 
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From:
Henry Clifton Sorby
To:
Charles Robert Darwin
Date:
22 Mar 1876
Source of text:
DAR 177: 218
Summary:

Discusses chemical tests for the detection of glucose and cane-sugar in solution.

Contributor:
Darwin Correspondence Project
From:
Henry Clifton Sorby
To:
Charles Robert Darwin
Date:
28 Dec 1881
Source of text:
DAR 177: 219
Summary:

Discusses colour changes of plant colouring material.

Is doing much marine work from his yacht; asks whether CD has any suggestions for profitable observations.

Contributor:
Darwin Correspondence Project
From:
Henry Clifton Sorby
To:
Charles Robert Darwin
Date:
3 Jan 1882
Source of text:
DAR 177: 220
Summary:

Reports the inconclusive results of some experiments he has been doing for CD [related to plant colouring material?].

Contributor:
Darwin Correspondence Project