p. 17 - 24 ETUDES MICROBIOLOGIQUES DANS LES EAUX DU LITTORAL ROUMAIN DE LA MER NOIRE V. Mircea et O. Serbanescu Institut Roumain de Recherches Marines Constanta Abstract The authors present the data obtained in 1971 by analyzing sea water samples collected from 20 stations, in which the total number of germs, anaerobic sulfite reducing and oil-oxidizing bacteria were determined.