"WHAT is a sponge? Can you tell me, May?
"No, Miss Hall," said May. "I use my sponge every day, but I have never thought how it is made. Let me think! Do men make sponges as they do cloth and many other things?"
"No; people used to think a sponge was a plant, but that is not true. It is a little animal."
"An animal! How very strange! Where is its home?"
"Its home is in the great ocean. The sponge comes from an egg. When it is hatched, the baby sponge sends out little hairs, which help it to move about in the water. As the baby has no eyes, it does not know where it is going, and often gets a hard bump."
"Oh, Miss Hall, has the poor baby a head, ears, legs, tail, or arms?"
"No, May," was the answer, "it has none of those; but it has a hole called a mouth. Soon it settles to the sea-bottom. With its mouth it