RLT’s two articles in Spectator [4 Mar and 25 Mar 1876] greatly honour CD.
Tait has made a good point about "Survival of the Fittest".
Dr Rudinger’s extensive inquiries show that all eminent German surgeons are unanimous about non-growth of extra digit after amputation.
J. Kollmann has written regretting CD has given up atavism and extra digits [in 2d ed. of Variation]; gives new evidence of a rudimentary sixth digit in batrachians.