Galton, 142, 147; heredity of mental qualities, 232.
Gametes, 252.
Gastrula, 68.
Gemmules, 143.
Genera, 32.
Generation, spontaneous, 78.
Geographical distribution, 32.
Geological agencies, rain, rivers, glaciers, 88; construction, volcanoes, 88.
Geology, data of, 83, 84.
Germ, Bonnet's idea of, 70; cells, 144, 146; plasm, 145, 146.