FIGURES.

1.—Propagation of Moneron[186]
2.—Propagation of Amœba[188]
3.—Egg of Mammal[189]
4.—First Development of Mammal’s Egg[190]
5.—The Human Egg Enlarged[297]
6.—Development of Mammal’s Egg[299]
7.—Embryo of a Mammal or Bird[304]