Letter | Published:

Percentage of Water in Jelly-Fish



A LIVING specimen of Aurelia aurita about 4 in. in diameter was weighed by the displacement method1 and the percentage of water found by distilling it under xylol2. The result was: water, 95.56 per cent ; residue, 3.87 per cent ; giving a difference of 0.57 per cent.

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  1. 1

    Lowndes, A. G., NATURE, 141, 289 (1938).

  2. 2

    Lowndes, A. G., NATURE, 148, 594 (1941).

  3. 3

    Bateman, J. B., "The Osmotic Properties of Medusae", J. Exp. Biol., 9, 124 (1932).

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