From:
J Clough
To:
Sir James Edward Smith
Date:
5 Aug 1813
Source of text:
GB-110/JES/ADD/12, The Linnean Society of London
Summary:
Whilst investigating respiratory organs of different animals he discovered that the circulation of the butterfly is performed by a heart, and has since observed it in other insects, particularly the garden snail.
Contributor:
The Linnean Society of London