From:
Charles Robert Darwin
To:
Alfred Newton
Date:
2 Jan 1877
Source of text:
Cambridge University Library (MS Add. 9839/1D/63)
Summary:
Thanks AN for telling him of the complex cross among wagtails. CD is surprised that so much close interbreeding does not check their propagation.
CD does not suppose he will ever have strength to work up his data on hybridism, so he will not write to Mr Monk.
Contributor:
Darwin Correspondence Project