From:
Edward Frankland
To:
Charles Robert Darwin
Date:
30 Apr 1874
Source of text:
DAR 164: 211
Summary:
Variation in bullfinches’ instinctive ability to remove nectaries and ovaries from cowslips.
Contributor:
Darwin Correspondence Project
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Variation in bullfinches’ instinctive ability to remove nectaries and ovaries from cowslips.