Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 769
THE BEAVERS AT WORK CUTTING DOWN TREES AND BUILDING DAMS. 748 NATURE AND SCIENCE FOR YOUNG FOLKS [June, certain methods for building a home or for sup- are not at all uncommon in the simpler creatures. plying food by the four-footed animals, birds and The earthworm has one, and so hav^e most…
Children's literature
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