seven o'clock
`` What undah the sun is the mattah , honey ? '' she called , but Betty was far down the avenue , and never paused to look back . Lad , turned away from home , was not so willing to run now , and Betty could hear the train whistling up the road . It was the seven o'clock mail train . `` Oh , Lad , hurry ! '' she urged . `` Dear , good old Lad , _ please _ hurry !