About two o'clock in the morning
`` Good night again , '' he said at the door , `` and Merry Christmas . '' But all the wishes in the world can not make happiness . That Christmas Day was far from merry for either Polly or Bob . About two o'clock in the morning Polly awoke with a start . Some one was groaning . As she sat up in bed and tried to rub the sleep from her eyes , she felt something touch her arm . It was Sandy 's paw .