CORAL ISLANDS AND CORAL. 273 the moon — out Of its volcanoes; but now the theory is that millions of these fragmei ts are journeying about the sun, and sometimes the earth cuts across their path, and then they come showering down through-the air. In November and August — toward the mid- dle—we see more of them. Sometimes they burst, and their fragments. are scattered upon the earth. You will see accounts in the papers of meteors that have struck the earth and been picked up. They have been found weighing over one thousand pounds in this country, and a large one is in the Smithsonian THE FAMOUS PLANET.