Litchfield, Isaac W, Massachusetts Institute of Technology. Society of Arts · Boston, Mass. : The Society · leaf 55
Science Conspectus 45 … Amoeba Proteus, — from life, magnified 300 times. The arrows indicate the direction of the protoplasmic currents; n, nucleus; c. v, contractile vacuole; /. v, food-vacuole; w. v, water-vacuole. A shows the texture of the protoplasm. B is an outline of the same individual four minutes later; the…
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