To J. W. Clark 9 February 1875
Summary
Thanks for information about effect of fear on the iris.
| Author: | Charles Robert Darwin |
| Addressee: | Joseph Warner Clark |
| Date: | 9 Feb 1875 |
| Classmark: | University of California, Berkeley, The Bancroft Library (BANC MSS 74/78 z) |
| Letter no: | DCP-LETT-9847 |
Document type
| letter | (1) |
Author
| Darwin, C. R. | (1) |
Correspondent
| Clark, J. W. (b) | (1) |
| Darwin, C. R. | (1) |
Date
| 1875 | (1) |
