Note 30 — Chapter II · HARMONIES AND DISHARMONIES AMONGST BEINGS INFERIOR TO MAN
P. Chalmers (Peter Chalmers) Mitchell translation
Darwin, “The Fertilisation of Orchids,” Second edition, London, 1877. See also Müller, “Die Befruchtung der Pflanzen durch Insecten,” pp. 74–85, Leipzig, 1873.