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Whitby, M. A. T. in correspondent 
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From:
Charles Robert Darwin
To:
Mary Anne Theresa Whitby
Date:
12 Aug [1849]
Source of text:
New York Academy of Medicine (MS 15)
Summary:

Thanks MATW for the results of her experiments on the inheritance of caterpillar peculiarities and would be grateful for any further observations on differences in structure or habits between silkworm breeds, or peculiarities in inheritance.

Contributor:
Darwin Correspondence Project