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From J. P. Thomasson 23 March 1875
Summary
On nesting habits of pied and spotted flycatchers.
JPT disagrees with CD’s comment in Descent.
Marriages of first cousins produce congenital deaf-mutism.
Author: | John Pennington Thomasson |
Addressee: | Charles Robert Darwin |
Date: | 23 Mar 1875 |
Classmark: | DAR 178: 109 |
Letter no: | DCP-LETT-9900 |