Gregarines, [148], [149], [202].
Grobben, on polar bodies of Cetochilus, [218].
Gruber, on regeneration amongst Infusoria, [185].
Gryllotalpa, duration of life of, [39].
Gryllus campestris, duration of life of, [39].
Häckel, on reproduction, [72];
on Perigenesis of the Plastidule, [165];
on amphigonic reproduction, [272].
Hare, length of life of, [14].
Hartlaub, on origin of germ-cells in Obelia, [208].