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From:
John Scott Burdon Sanderson, 1st baronet
To:
Charles Robert Darwin
Date:
25 Apr 1874
Source of text:
DAR 58.2: 65–70
Summary:

Purpose of experiments was to determine digestive activity of liquids containing pepsin. Gives required amounts of hydrochloric, propionic, butyric and valerianic acids. Describes experiment and gives results. Also experimented on digestive activity of butyric acid at greater temperatures than the termperature of the body.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Michael Foster
Date:
25 Apr [1874]
Source of text:
Imperial College of Science, Technology and Medicine Archives (Huxley 4: 71)
Summary:

Has received circulars, and contributions from Lyell and George Busk [for Naples biological station].

Contributor:
Darwin Correspondence Project