From:
William Roberts
To:
Charles Robert Darwin
Date:
30 June 1877
Source of text:
DAR 176: 185
Summary:
He is delivering address at the British Medical Association’s Manchester meeting ["Address in medicine", Br. Med. J. (1877) pt 2: 168–73]. Will develop theme that parasites are variations of common types, e.g., Bacillus anthracis is a variant of B. subtilis. Asks for more examples.
Contributor:
Darwin Correspondence Project