rliest as well as one of his most important
separate works is Anleitung zur Analyse organischen, Korper, 1837.

Lotze, Hermann. See vol. iv., p. 263.

Medizinische Psychologie, oder Physiologie der Seele, Leipzig, 1852.

Mohl, Hugo von. See vol. iv., p. 125.

Uber der Saftbewegung im Innern d. Zelle, Bot. Zei-tung, 1846. Morgagni,
Giovanni Battista. See vol. iv., p. 76.

De sedibus et causis ntorborum, 2 vols., Venice, 1761.

Oken, Lorenz. See vol. iv., p. 160.

Philosophie der Natur, Zurich, 1802.

Pasteur, Louis. See vol. iv., pp. 217, 233.

Studies on Fermentation, London, 1879. His famous paper on attenuation
and inoculation was published in the Compte Rendu of the Academy of
Science, Paris, 1881 (vol. xcii.).

Saint-Hilaire, Etienne Geoffroy. See vol. iv., p. 160.

Philosophie anatomique, vol. i., Paris, 1818. Schwann, Theodor. See vol.
iv., p. 119.

Mikroskopische Untersuchungen uber die Ubereinstim-mung in der Structur
und dem Wachsthum der Thiere und Pflanzen, Berlin, 1839. Trans, by
Sydenham Soc., 1847. Spencer, Herbert. See vol. iv., p. 268.

Principles of Psychology, London, 1855. 260

Treviranus, Gottfried Reinhold. See vol. iv.t p. 159. Biologie, oder
Philosophie der lebenden Natur, 1802.

Weber, E. H. See vol. iv., p. 263.

The statement of "Weber's Law*' was first made in articles by Weber
contributed to Wagner's Handwarter-buch der Physiologie, but is
again stated and elaborated in Fechner's Psychophysik. (See Fechner.)
Weismann, August. See vol. iv., p. 179.

Studies in the Theories of Descent. Trans, by Professor R. Meldola,
London, 1882. The introduction to this work was written by Darwin.
Wohler, Friedrich. ' (See Liebig and Wohler.) Wundt, Wilhelm Max. See
vol. iv., p. 268.

Grundzuge der physiologischen Psychologie, 1874. Many articles by Wundt
have appeared in the Philosophische Studien, published at Leipzig.

V.--ASTRONOMY

Astronomische G es disc haft.

A quarterly journal of astronomy published in Leipzig.

Berry, Arthur.

A Short History of Astronomy, New York, 1899. Bertrand, J. L. F.

Les fondateurs de Vastronomie modern: Copernic, Tycho Brake, Kepler,
Galileo, et Newton, Paris, 1865. This gives an interesting account of
the lives and works of these philosophers.

Flammarion, C.

Vie de Copernic, et histoire de la decouverte du systeme du monde,
Paris, 1872. Forster, W.

Johann Kepler und die Harmonie der Sphcren, Berlin, 1862.

Jensen, P.

Die Kosm