A NOTE ON THE RESPIRATION OF ARBACIA EGGS.
Methods used in preparing Arbacia eggs for respiration studies, in carrying through the manometric determinations, and in estimating egg quantities have been reexamined. Discrepancies in previous results are almost entirely due to a steady error in measuring egg volume by centrifuging. Volumes so obtained averaged 80 per cent too high. The respiration of unfertilized eggs of Arbacia punctulata at 21 degrees C. is 0.9 c.mm. O(2) per hour per 10 c.mm. of eggs.
Gerard
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The Marine Biological Laboratory, Woods Hole.
Rubinstein
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