[306] Loc. cit. p. 156.
[307] “Über die Cuninen-Knospenähren im Magen von Geryonien.” Reprint from “Mittheil. des naturwiss. Vereines,” Graz, 1875.
[308] [See Darwin’s “Origin of Species,” 6th ed. pp. 33, 34, and 201–204. R.M.]
[309] [Eng. ed. See Kant’s “Allgemeine Naturgeschichte und Theorie des Himmels.”]
[310] “Das Unbewusste vom Standpunke der Physiologie und Descendenz-Theorie,” Berlin, 1872, p. 16.
[311] [Eng. ed. See Lotze’s “Mikrokosmos,” 1st ed., vol. iii. pp. 477–483.]
[312] See Helmholtz’s “Populäre wissenschaftl. Vorträge,” vol. ii., Brunswick, 1872.
[313] See also Fr. Vischer’s “Studien über den Traum. Beilage zur Augsburger Allgem. Zeitung,” April 14th, 1876. Haeckel also includes this idea in his recent essay already quoted, “Die Perigenesis der Plastidule,” Berlin, 1876, p. 38 et seq.
[314] See Von Hartmann, loc. cit. p. 158.