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To B. D. Walsh 21 September 1868
Summary
Thanks BDW for pamphlets [by S. H. Scudder and J. D. Caton].
His information about Cicada is of extraordinary interest. Discusses stridulation organs which certainly sometimes differ in the sexes. CD would be curious to know if "dumb" Cicada can breed.
| Author: | Charles Robert Darwin |
| Addressee: | Benjamin Dann Walsh |
| Date: | 21 Sept 1868 |
| Classmark: | Field Museum of Natural History, Chicago (Walsh 14) |
| Letter no: | DCP-LETT-6382 |
Addressee
| Walsh, B. D. | (1) |
