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From Robert Swinhoe 14 April 1863
Summary
Difference in plumage of Ardeola, a species of heron, in summer and winter. [See Descent 2: 190.]
| Author: | Robert Swinhoe |
| Addressee: | Charles Robert Darwin |
| Date: | 14 Apr 1863 |
| Classmark: | DAR 84.1: 18–19 |
| Letter no: | DCP-LETT-4094 |
Document type
| letter | (1) |
Correspondent
| Darwin, C. R. | (1) |
| Swinhoe, Robert | (1) |
