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From:
Frans Cornelis (Franciscus Cornelius) Donders
To:
Charles Robert Darwin
Date:
1 Apr 1872
Source of text:
DAR 162: 230
Summary:

His analysis and explanation of the fact, observed by Charles Bell, that the eyeballs are turned upwards and inwards when consciousness begins to fail.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Briton Riviere
Date:
1 Apr 1872
Source of text:
DAR 147: 318
Summary:

Asks BR to make two drawings of dogs to show expressions. Discusses expressions of hostile dog and caressing dog.

Contributor:
Darwin Correspondence Project