ABSTRACT
In an earlier paper (Beauchamp, 1933) the migrations of Planaria alpina up and downstream were described; these migrations were shown to be associated with feeding and sexual development. In a later paper (Beauchamp, 1935) the influence of temperature on the rate of movement of immature individuals was described, and also the effect of certain stimuli which cause an increase in rate of movement.
Copyright © 1937 The Company of Biologists Ltd.
1937
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