From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[before 15 Apr 1873]
Source of text:
DAR 271.4: 6
Summary:
Sends to Pantlludw [North Wales] bottle of formic acid. FD and Amy [Darwin] can search for spawn. If found, keep in two basins and add 6 drops of acid to one and look for differences.
Contributor:
Darwin Correspondence Project