. Harper's young people . udnever have ketched that wolf if it hadnt a ben for me. Hows that ? asked the Squire. Why, goodness gracious! didnt you hear me hol-ler? I hollered an started you all up. My! continuedthe old man, reflectively, as he turned away amid a gen-eral laugh, which did not appear to damp his spirits inthe least, how I did holler! 20 HARPERS YOUNG PEOPLE. VOLUMK IV. CORAL REEFS. BY SARAH COOPER. THE attention of seamen and navigators lias long beenattracted by the number of circular islands in thewarm parts of the Pacific and Indian oceans. Generallyeach one of these circular
. Harper's young people . udnever have ketched that wolf if it hadnt a ben for me. Hows that ? asked the Squire. Why, goodness gracious! didnt you hear me hol-ler? I hollered an started you all up. My! continuedthe old man, reflectively, as he turned away amid a gen-eral laugh, which did not appear to damp his spirits inthe least, how I did holler! 20 HARPERS YOUNG PEOPLE. VOLUMK IV. CORAL REEFS. BY SARAH COOPER. THE attention of seamen and navigators lias long beenattracted by the number of circular islands in thewarm parts of the Pacific and Indian oceans. Generallyeach one of these circular islands contains a lake of quietwater extending almost to its outer shores, so that the isl-and looks like a fairy ring of land floating in the ocean,and adorned with tropical trees and plants. Happily for the boys and girls of the present day, thissubject, with other equally fascinating branches of sci-ence, has now been studied by naturalists, who give us therich results of their labors. It seems scarcely possible that. Fig. 1.—a, a, SURFACE OF THE WATER; b. NATURAL BED OF THEOCEAN ; c, c, CORAL FORMATION ; (I, LAGOON. the dainty beautiful corals which we examined not longago in YOUNG PEOPLE can have anything to do with themaking of islands, but so it is. Coral reefs are vast mass-es of coral which have grown in warm oceans. Theirformation must have been sknv, yet they sometimes ex-tend hundreds of miles. Florida and many other parts ofour solid continents are known to have been formed fromcoral reefs. Let us now try to picture to ourselves the beginning ofone of these reefs, and by following its growth step bystep we may at least understand how it has been are hills and valleys on the bottom of the ocean aswell as on the land. We will fancy that some youngcoral polyps which have been swimming about in the seasettle on the sides of one of these hills, andbegin to grow and spread all around it. Theywill increase also by the deposit of eggs untilthey form a cir
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