Abstract
Summary
An apparatus was constructed which produced a constant flow of filtered seawater through the coelenteron of Tubularia stems. This arrangement was designed to prevent substances liberated into the coelenteron from reaching and influencing reconstitution at the distal end. Reconstitution occurred in spite of removal of such substances and was, in fact, superior to that of control series. Accordingly, it was concluded that although circulating inhibitory substances have been demonstrated, there is no evidence that any substances in the coelenteron influence reconstitution in a favorable direction.
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