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To B. W. Savile [before 8 October 1881]
Summary
There is ‘some gradation in perfection with mammals in the mammery glands’. Discusses milk secretion in Echidna. Instances a fish in which the ova hatch in a sack on the male and the young feed on mucus secreted by the sack lining; ‘here … we see what might be the commencement of a simple mammery gland’.
Author: | Charles Robert Darwin |
Addressee: | Bourchier Wrey Savile |
Date: | [before 8 Oct 1881] |
Classmark: | Record n.s. 1 (1882): 149 |
Letter no: | DCP-LETT-13366 |
Document type
letter | (1) |
Author
Darwin, C. R. | (1) |
Correspondent
Darwin, C. R. | (1) |
Savile, B. W. |
Date
1881 | (1) |