Writing under the name of Friedrich von Bärenbach, FM sends his paper on J. G. Herder as a precursor of Darwin’s theory [Herder als Vorgänger Darwins (1877)]; hopes CD will acknowledge him as such.

Is attempting to write a book on elementary lessons in anthropology [Anthropology (1881)] and wonders whether CD’s son [Francis] would care to collaborate and aid him with the biological parts.