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From:
Johann Friedrich Theodor (Fritz) Müller
To:
Charles Robert Darwin
Date:
9 Sept 1868
Source of text:
DAR 82: A92, Möller ed. 1915–21, 2: 146–7.
Summary:

Will repeat CD’s experiments on dimorphic and trimorphic plants.

Auditory organs of Orthoptera; stridulation in lamellicorn beetles.

Contributor:
Darwin Correspondence Project