Göthe, [33], [34], [35], [320].

Gray, Asa, [222].

Grusebach, [55].

Grimm, Jacob, [17], [95].

Häckel, [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].