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To C. H. Blackley 14 June [1873]
Summary
Thanks for sending Experimental researches. He will read it as soon as he finishes a book in hand. [See 8965.]
| Author: | Charles Robert Darwin |
| Addressee: | Charles Harrison Blackley |
| Date: | 14 June [1873] |
| Classmark: | Arbor 441–2 (September–October 1982): 148 |
| Letter no: | DCP-LETT-8943A |
To C. H. Blackley 5 July [1873]
Summary
Comments on CHB’s book [Experimental researches on catarrhus aestivus – hay-fever or hay-asthma (1873)].
Explains that some pollens are wind-blown while others depend on insects for dispersal. Effect of pollen on skin and mucous membrane astonishing. Sends a book [M. Wyman, Autumnal catarrh (1872)].
| Author: | Charles Robert Darwin |
| Addressee: | Charles Harrison Blackley |
| Date: | 5 July [1873] |
| Classmark: | John Hay Library, Brown University (Albert E. Lownes Manuscript Collection, Ms.84.2) |
| Letter no: | DCP-LETT-8965 |
From C. H. Blackley 7 July 1873
Summary
Thanks for copy of Wyman’s book.
His own recent researches [on pollen] at high altitudes were inspired by CD’s account in Journal of researches of distances dust may travel.
| Author: | Charles Harrison Blackley |
| Addressee: | Charles Robert Darwin |
| Date: | 7 July 1873 |
| Classmark: | DAR 160: 192 |
| Letter no: | DCP-LETT-8967 |
From C. H. Blackley 11 July 1873
Summary
Thanks for suggestion to try effect of dry heat on pollen and for other new information on pollen. Will begin new experiments soon, hoping to cure hay-fever.
| Author: | Charles Harrison Blackley |
| Addressee: | Charles Robert Darwin |
| Date: | 11 July 1873 |
| Classmark: | DAR 160: 193 |
| Letter no: | DCP-LETT-8974 |
Author
| Blackley, C. H. | (2) |
| Darwin, C. R. | (2) |
Addressee
| Blackley, C. H. | (2) |
| Darwin, C. R. | (2) |
