CATALASE AND OXIDATIVE PROCESSES IN ANIMAL TISSUES AS POSSIBLE FACTORS IN ADAPTATION

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Abstract
The catalase and oxygen consumption of the muscles are compared in twelve species of lamellibranchs in North Carolina, and in four in Bermuda. In each region, those species which are intertidal, or which would be subject to partly anærobic conditions, are characterized by larger amounts of muscle catalase than those which live continuously submerged. There is a proportionality between rate of respiration and catalase in muscle for species in a given habitat. The significance of these results is discussed in relation to current views regarding physiological oxidation.

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