noon
But in both instances they were sure Willie would be back . In hunting for the Swedish taxicab driver Mr. Day had even less good fortune . There were two taxicab companies in Greensboro and less than a dozen independent owners of cabs . Before noon he had learned , beyond peradventure , that there was not a cab driver in town of Swedish nationality . He presumed that the cab must have come from out of town . Where it had come from , and where it had gone with Olga , and Olga 's trunk , and , possibly , with the treasure-box , seemed a mystery insolvable . If Olga or the cab driver had stolen the box of heirlooms it seemed that all trace of their whereabouts had been skillfully covered .