Presenza di enteramina o di una sostanza enteraminosimile negli estratti gastrointestinali e splenici dei pesci e negli estratti gastroenterici delle Ascidie

Summary It was possible to demonstrate, by means of chemical and biological reactions, the presence of enteramine or of an enteramine-like substance in gastro-intestinal extracts of twoAscidi, Tethium plicatum andCiona intestinalis.The same substance was also found in gastric and still more in intestinal extracts ofSelacia, but seems not to be present in the spleen ofSelacia nor in the alimentary canal ofTeleostea.