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1932. The action of sodium, potassium, calcium, and magnesium ions 



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1933. The action of ultraviolet rays on Amoeba protoplasm. Protoplasma, 



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1934. A further study of the action of potassium on Amoeba proto- 

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1938. Fat release in Amoeba after irradiation. Physiol. Zool., 11: 383-87. 



• 1939. The electric charge of protoplasmic colloids. Physiol. Zool., 12: 



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1924b. Experiments on the contractile vacuole of Amoeba verrucosa 



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Hyman, L. 1917. Metabolic gradients in Amoeba and their relation to the 

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Jacobs, M. H. 1919. Acclimatization as a factor affecting the upper thermal 

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1922. The effects of carbon dioxide on the consistency of protoplasm. 



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