ABSTRACT
MolluscanFaunaIll:warmwithPurpurahaemastomapresent inthe30-mand7-8-mbeaches.
MolluscanFaunaII:coldwithPurpuralapillusandLittorina littoreapresentinthe20-mbeachesatCasablancawhichare regardedbysomeauthorsaspartofthetransgressionforming 6o-mbeaches.
