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DCP-LETT-9453

From:
Charles Robert Darwin
To:
Thomas Lauder Brunton, 1st baronet
Date:
11 May 1874
Source of text:
Princeton University Library, Department of Rare Books and Special Collections, Manuscripts Division (C0140 Box 13 AM20431)
Summary:

Encloses, for examination, residue from skim-milk which has been on the glands of Drosera. Asks TLB to confirm his views on action of Drosera secretion on milk. Asks about effects of pepsin and hydrochloric acid in digestive juice.

Contributor:
Darwin Correspondence Project

DCP-LETT-10512

From:
Thomas Lauder Brunton, 1st baronet
To:
Charles Robert Darwin
Date:
23 May 1874
Source of text:
DAR 58.1: 120–2
Summary:

Comments on his examination of slides [of milk casein?] sent by CD.

Surprised by CD’s finding that a drop of one per cent hydrochloric acid stops digestion of albumen by Drosera.

Contributor:
Darwin Correspondence Project
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DCP-LETT-9468

From:
Charles Robert Darwin
To:
Thomas Lauder Brunton, 1st baronet
Date:
25 May [1874]
Source of text:
American Philosophical Society (Mss.B.D25.)
Summary:

CD responds to information about residue of milk digested by Drosera. Is obliged for information on strength of acids and albumen and now has little doubt acid had impaired the leaves. Awaits word on pepsin and papaw juice.

Contributor:
Darwin Correspondence Project
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