wo. microscope, and then grouped so as to show their positions the bridge was built. One of them has been visited by Pro- At 12,500 feet above the earth, they passed a cloud of sus- during the natural state. fessor Geikie, who says: pended ice crystals, which glittered in the sun, but were so All… … For a hundred years this delicate wpestry naa fusoria suddenly appear, a mass of gelatinous sub- A MICROSCOPIC AQUARIUM. been hanging and growing, and breaking and stance, in the midst of which something resembling growing again, quietly in darkness, beneath the grind of our perfectly translucent…
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