There is no confusion like the confusion of a simple mind, and as we drove away Tom was feeling the hot whips of panic. His wife and his mistress, until an hour ago secure and inviolate, were slipping precipitately from his control. Instinct made him step on the accelerator with the double purpose of overtaking Daisy and leaving Wilson behind, and we sped along toward Astoria at fifty miles an hour, until, among the spidery girders of the elevated, we came in sight of the easygoing blue coupe.