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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 |