Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 363
BEAUTIFUL FORMATIONS OF MOSS-LIKE CRYSTALS. why certain forms follow certain conditions, norwhat these conditions are. TINY, ROUND, FRESH-WATER CLAMS The little, round, fresh-water clams, familiarto most young folks who have explored pools andsmall streams, are pictured in the enlarged photo-graph… … FRESH-WATER CLAMS MAGNIFIED FROM THREE TOFOUR TIMES THEIR ACTUAL SIZE. occidentalc. They may frequently be found insmall depressions in the woods which are wet for only a small part of the year. On account of thisfact their struggle for existence must be verysevere. They may easily be observed by…
Children's literature
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