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From:
Charles Robert Darwin
To:
Benjamin Dann Walsh
Date:
21 Sept 1868
Source of text:
Field Museum of Natural History, Chicago (Walsh 14)
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.

Contributor:
Darwin Correspondence Project