Abstract
PROF. H. MUNBO Fox shows that the rates of cleavage of sea urchin eggs are adapted to the temperature of the seas in which they live. For a given rate of cleavage, a higher temperature is necessary in a certain Mediterranean species than in an English species of the same genus; and the same phenomenon occurs within another single species in different latitudes.
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Points from Foregoing Letters. Nature 138, 846 (1936). https://doi.org/10.1038/138846a0
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DOI: https://doi.org/10.1038/138846a0