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From:
Charles Robert Darwin
To:
Charles Spence Bate
Date:
30 Aug [1853]
Source of text:
American Philosophical Society (Mss.B.D25.)
Summary:

Sends thanks for recent specimen, which gave him conclusive evidence that Verruca acts only on calcareous rocks.

Asks for a reference on carbonic acid.

Is glad CSB progresses in research on spider-like Crustacea.

Contributor:
Darwin Correspondence Project