4 Marlborough Place | N. W.
June 3rd 1878
My dear Darwin
I send you the inclosed article on ‘Evolution’ which will appear in the next volume of the Encyclopædia Britannica— I do not think anybody has traced out the strange mutations in the meaning of the word before— And I think you will be astonished to see what Lamarck’s opinions were in 1794.1
Madge is about again and except that her voice is between a duck’s and a raven’s seems not much the worse— But we had an awful period of anxiety, for ten or twelve days2
The wife & she will be off to Westgate in a day or two to recruit3 They both need it—although my wife kept up remarkably indeed wonderfully well
My mind is entirely set on Cray fishes. I have been working out their structures in relation to their distribution with very pretty results4 The southern hemisphere forms are quite distinct from the northern & each area has its own group
They are evidently all modifications of marine ancestors which have been improved oft
Ever | Yours very truly | T. H. Huxley
Please cite as “DCP-LETT-11546,” in Ɛpsilon: The Charles Darwin Collection accessed on