Darwin, Erasmus. See vol. iv., pp. 94, 147.
The Botanic Garden, London, 1799. The Temple of Nature, or The Origin of Society, edition published in London, 1807. Darwin, Charles. See vol. iii., p. 95, and vol. iv., p. 173. The Origin of Species, London, 1859.
Pechner, Gustav. See vol. iv., p. 263. Elemente du Psychophysik, i860. Flourens, Marie Jean Pierre. See vol. iv., p. 270.
Experiences sur le système nerveux, Paris, 1825. Cours sur la génération, Vovologie, et Vembryologie, Paris, 1836, etc.
Gall, Franz Joseph. See vol. iv., p. 248.
Recherches sur le système nerveux en général, et sur celui du cerveau en particulier, Paris, 1809. (This paper was laid before the Institute of France in March, 1808.) Goethe, Johann Wolfgang. See vol. iv., p. 140.
Die Metamorphose der Pflanzen, 1790. Gray, Stephen. See vol. ii.t p. 262.
Most of his original papers appeared in the PhU. Trans, between 1720 and 1737.
Haeckel, Ernst Heinrich. See vol. v., p. 144.
Naturlich Schopfungsgeschichte, 1866, rewritten in a more popular style two years later as Natural History of Creation. Some of his more important monographs are: Radiolaria (1862), Siphonophora (1869), Monera (1870), Calcarious Sponges (1872), Arabian Corals (1876), another Radiolaria, enumerating several thousand new species, accompanied by one hundred and forty plates (1887), and Die Weltrâthsel, trans, in 1900 as The Riddle of the Universe. Hahnemann, Wilhelm von. See vol. iv., p. 189.