Galton [154]

Geneticist [26]

Germ-plasm [142]

Geoffroy St. Hilaire [27]

Giant [114]

Gill-slits [20], [21], [23]

Groups I, II, III, IV [100]-[118]

Haeckel [15]

Haemophilia [77]

Heliotropism [106], [107]