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Biol Bull 56: 80-86. (February 1929)
© 1929 Marine Biological Laboratory
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THE DIGESTION OF OILS BY AMOEligBA PROTEUS.

J. A. DAWSON 1 and MORRIS BELKIN 1

1 Zoölogical Laboratory, Harvard University.

1. A. proteus successfully breaks down, after micro-injection, the following oils: codliver, cottonseed, olive, peanut, sperm, linseed, oleic, oxfoot.

2. A number of significant differences have been found between A. dubia and A. proteus.

a. In their respective ability to break down oils.

b. Morphological differences as revealed by injection, measurement of volume and nature of pellicle.

c. Under certain conditions A. dubia undergoes the phenomenon of `capping' with oil. No permanent "capping" ever takes place with A. proteus.

d. A dubia will under suitable conditions ingest oil. A. proteus under similar conditions never ingests oil.

e. A. proteus has the ability to live longer under similar adverse conditions than A. dubia.






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Copyright © 1929 by the Marine Biological Laboratory.