Coral development. (1-9) Stages of the egg from which emerged larvae. (10-14) Larva as it settles and develops for polyps stock. (15) One piece of precious coral stick. In A and B the goblets are cut away to show the eggs. The polyps C and D contain egg emerged from the ciliated larvae, which hatch as vermiform body between the outstretched sensors from the mother animal. Translated from German using online translating tool. Taken from "The Sea" by Matthias Jakob Schleiden.