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Darwin, C. R. in correspondent 
1870-1879::1874::10::09 in date 
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From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
9 Oct 1874
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-19)
Summary:

Has been testing the digestive powers of Drosera; wants to know whether a group of substances that elicit similar responses are related.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
9 Oct 1874
Source of text:
DAR 95: 341a
Summary:

Asks JDH for leaves of Byblis and Roridula to examine, and D. Oliver for an anomalous species of Utricularia.

Contributor:
Darwin Correspondence Project
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From:
Edward Frankland
To:
Charles Robert Darwin
Date:
9 Oct 1874
Source of text:
DAR 58.1: 97–8
Summary:

Sends information CD requested on phosphate of ammonia and on nitrogenous substances produced during putrefaction of animal matter.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Thomas Meehan
Date:
9 Oct 1874
Source of text:
DAR 146: 353
Summary:

Doubts whether sudden and great variations often occur.

Comments on colours of flowers.

Contributor:
Darwin Correspondence Project