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Darwin Correspondence Project

To B. W. Savile   [after 30 September 1881]

The transcript of this letter is not yet available online.

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".

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".

Letter details

Letter no.
DCP-LETT-13366
From
Charles Robert Darwin
To
Bourchier Wrey Savile
Sent from
unstated
Source of text
Savile 1882 Record n.s. 1: 149

Please cite as

Darwin Correspondence Project, “Letter no. 13366,” accessed on 14 October 2019, https://www.darwinproject.ac.uk/letter/DCP-LETT-13366.xml

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