With the sea horse, it purchased in the souvenir shop in Crete (Greek) .

Japanese and Italians will divide immediately and will eat. However, if a sea urchin dies and the kind of a prickle, a leg, and internal organs all falls out, the husks of such a form will remain. In Japan, this is called "HOSHI-KABUTO (The helmet by which the rivet was located in a line like a star.) ."

In the place where the five teeth had the bottom by the mouth, the big hole is open. Five teeth have not grown independently. It combines to the framework of pentagonal pyramids. This is called "Aristotle's lantern" in the West. Next, if there is an opportunity to eat a sea urchin, I will think that it will observe.

I mistook, when the husks were called "Aristotle's paper lantern." It is beautiful, if the small hole is open into the portion in which the leg had grown and a surface pattern spaces through light. It is said that it seemingly used for the charm and was called "thunder stone" in the West since the form was beautifully ready.