Letter 7184 Darwin, C. R. to Müller, J. F. T. 12 May 1870 Summary Add + Crossing experiments and self-sterility [in Eschscholzia]. + Pangenesis. + Hermann Müller on insect adaptations for fertilisation of flowers. + CD working on book on man and sexual selection. Transcription The full text of this letter is not yet available online. Footnotes Add