magosphaera-form

Updated: May 13, 2025

The cell then looks just like an ordinary animal ovum. When it has been in this condition for some time the cell divides into two, four, eight, sixteen, thirty-two, and sixty-four cells. These arrange themselves in a round vesicle, thrust out vibratory lashes, burst the capsule, and swim about in the same magosphaera-form with which we started.

Ernst Heinrich Philipp August Haeckel - The Evolution of Man — Volume 2