nd a salt of cop- termed a "negative" pole. per—were sprinkled on Now, poles of different gelatine-coated glass. The kinds (Fig. 5) will attract copper ferrocyanide depos- each other in exactly the ited at the surfaces of con- Fig. 2.—Artificial organs showing Fig. 4.—Artificial seaweed produced… … to be accumulated in the around the cell an environ- neighborhood of a positive ment that will feed it or pole, thus producing the replace the loss due to phenomenon of agglutina- diffusion. tion. Even in the produc- These movements are tion of cell tissues, as checked by premature dry- shown by…
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