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To William Ogle 25 September 1875
Summary
From Galton’s "twin study" he suspects that some progenitor of WO’s had the peculiarities in question.
Has collected cases of signs of assent for a revised edition of Expression.
Suggests bees visit same species because they know how far to insert proboscis and thus save time.
| Author: | Charles Robert Darwin |
| Addressee: | William Ogle |
| Date: | 25 Sept 1875 |
| Classmark: | DAR 261.5: 15 (EH 88205913) |
| Letter no: | DCP-LETT-10171 |
