Last fascicles of FR’s book Der Mensch [1866] being sent.

Finds roots of human race in Negroes of Africa, Bushmen of South Africa and New Guinea, and short-headed peoples of south Asia.

Has translated natural selection as natürliche Auslese.

Ludwig Rütimeyer active in developing the descent of mammals.

Thanks for all five numbers of Der Mensch [1866].

Had not known that Rütimeyer had written on modification of species.

Gustav von Leonhard and Hans Bruno Geinitz’s Neues Jahrbuch für Mineralogie, Geologie und Paläontologie [1862–79] unfriendly to CD’s theory.

Lists various German publications dealing with CD’s theory.

Thanks for information about publications.

Hopes Hans Geinitz will take care in correcting Bronn’s translation [of Origin].