REFUGEES TURNED BACK FROM CUBA HAVANA, Cuba, June 8.-(AP)-Ninety-six German Jewish refugees aboard the French steamer Flandre Havana harbor for France tonight--refused admission both to Mexico and the Dominican republic. The sailing was delayed while the refugees were canvassed to learn if they could raise $35,420 bond for entry into the Dominican republic. They had only $20.000. Six of the original number of 102. whose Cuban papers were in order. landed The others. advised of Cuba's refusal to receive the 907 passengers of the steamer St. Louis. had not expected admission here.