However, he did share them with certain other naturalists and friends, starting with Joseph Dalton Hooker, with whom he discussed his unpublished 1844 essay on natural selection.
Porén, deullos a coñecer a certos naturalistas e amigos, empezando por Joseph Dalton Hooker, con quen discutiu o seu ensaio non publicado de 1844 sobre selección natural.