* *

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AUTHORS CITED.

* * * * *

Agassiz, Louis, 35, 37, 50, 320.
Anderson, 225.
Anonymus, "the Unconscious," etc., 128, 129, 131, 134, 159.
Anonymus, "Vestiges," etc., 33.
Argyll, Duke of, 50, 91, 92, 135, 172, 202, 288.
Ausland, 159, 240, 281.

Baer, Karl Ernst von, 36, 54, 56, 71, 74, 81, 83, 106, 132, 149, 160,
177, 226, 259, 281, 288, 320.
Barrande, 54.
Baumgaertner, Heinrich, 57, 176.
Blanchard, Emil, 54, 106.
Bleek, Wilhelm, 17, 96, 97, 194, 197, 234, 236.
Boerhave, 36.
Braubach, 226.
Braun, Alexander, 55, 176, 226, 246, 397.
Braun, Julius, 17.
Buch, Leopold von, 52.
Buckle, 17.
Buechner, Ludwig, 42, 118, 141, 158, 188, 205, 219, 233, 396.
Buffon, 31.

Carneri, 203, 238.
Carns, 36.
Christy, 90.
Condillac, 96.
Cotta, Bernhard von, 51.
Curtius, 96.
Cuvier, 31, 32, 34, 37, 320.

Darwin, 17, 18, 25, 27, 38, 118, 171, 177, 217, 240, 320, 389.
Descartes, 127.
Dillman, 295, 301.
Dohrn, 84.
DuBois-Reymond, Emil, 124, 125, 127, 130, 134, 149.

Ebrard, 159, 209.
Ecker, 56.
Escher, von der Linth, 54.

Farrar, 96.
Fechner, Gustav Theodor, 135, 146.
Fichte, Immanuel Hermann, 142, 175.
Fraas, Oskar, 55, 90.
Frohschammer, 175.

Gegenbaur, 56.
Geiger, Lazar, 17, 96.
Geoffrey St. Hilaire, Etienne, 32, 34.
Gerhard, 197.
Giebel, 54.
Goeppert, 54.
Goethe, 33, 34, 35, 320.
Gray, Asa, 222.
Grusebach, 55.
Grimm, Jacob, 17, 95.

Haeckel, 35, 42, 43, 45, 75, 78, 106, 123, 130, 133, 149, 159, 160, 166,
170, 204, 219, 234, 237, 281, 395.
Hartmann, Eduard von, 56, 60, 106, 131, 142, 168, 176, 191, 205, 334,
376.
Heer, Oswald, 56, 176.
Hegel, 126, 136, 204.
Helmholtz, 136, 159.
Heyse, 96.
Hilgendorf, 82.
His, Wilhelm, 56, 81, 106.
Huber, 175.
Humboldt, Wilhelm von, 17, 95.
Huxley, Thomas, 42, 50, 177, 198, 222, 279.

Jaeger, Gustav, 51, 124, 214, 243.
Jellinghaus, 94.

{15}
Kant, 195, 282.
Keim, 18, 337.
Koelliker, 56, 81, 176.
Koestlin, Julius, 175, 187.
Koestlin, Otto. 149.
Kowalewsky, A., 42.
Kowalewsky, W., 83.
Kurz, Johann Heinrich, 306.

Lamarck, 27, 30, 31, 33, 320.
Lang, Heinrich, 197, 210.
Lange, Friedrich Albert, 112, 168, 173, 176, 194, 196.
Lartet, 96.
Leibnitz, 127, 217.
Leidy, 83.
Lessing, 405, 407.
Linnaeus, 30.
Livingstone, 93.
Lotze, 14