p. 193 - 205 SUR LES FRACTIONS LIPIDIQUES DE MYA ARENARIA L. A. Molnar 1), M. Mirza 2) et C. Panteli 3) 1) Institut de Recherches Chimiques Pharmaceutiques Bucarest 2) Institut Roumain de Recherches Marines Constantza Abstract There had been determined the content and composition of free bound and total lipids from Mya arenaria in: glycerides, phospholipids, insaponifiables. It was shown that the phospholipids had a greate capacity to form cenapses than the other components. It was discussed that the fraction of bound lipids was richer in lecithins and lysolecithins and poorer in cephalins and lysocephalins than the free one.