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Donders, F. C. in addressee 
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From:
Charles Robert Darwin
To:
Frans Cornelis (Franciscus Cornelius) Donders
Date:
7 July 1874
Source of text:
DAR 143: 417
Summary:

Asks about the effect of atropine on the eye. Is interested in parallel case: influence of phosphate of ammonia on glands of Drosera.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Frans Cornelis (Franciscus Cornelius) Donders
Date:
15 July 1874
Source of text:
American Philosophical Society (Mss.B.D25.)
Summary:

Discusses effect of atropine solution on eye,

and effect of phosphate of ammonia solution on gland of Drosera.

Would like to see work by T. W. Engelmann and possibly one by Dr De Ruyter.

Contributor:
Darwin Correspondence Project