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To A. E. Graves   9 November 1881

Summary

Cannot explain worm behaviour observed by AEG. Cannot believe in power of vision. Inclined to speculate on capacity for distinguishing damp air.

Author:  Charles Robert Darwin
Addressee:  Anthony Elly Graves
Date:  9 Nov 1881
Classmark:  DAR 144: 347
Letter no:  DCP-LETT-13475

From A. E. Graves   6 November 1881

Summary

Sends his observations on the behaviour of a worm. They seem to indicate some sensory apparatus enabling it to "see".

Author:  Anthony Elly Graves
Addressee:  Charles Robert Darwin
Date:  6 Nov 1881
Classmark:  DAR 165: 91
Letter no:  DCP-LETT-13467
Document type
letter[X]
Addressee
Correspondent
Darwin, C. R.[X]
Graves, A. E.[X]
Date
1881 (2)
letter