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From:
James Ballantyne Hannay
To:
Charles Robert Darwin
Date:
28 May 1881
Source of text:
DAR 166: 98
Summary:

In complex molecules such as proteins, liquid and gaseous states merge.

Contributor:
Darwin Correspondence Project
From:
James Ballantyne Hannay
To:
Charles Robert Darwin
Date:
27 June 1881
Source of text:
DAR 166: 99
Summary:

Experiments on change of state in albumen under high temperature and pressure.

Contributor:
Darwin Correspondence Project