About four o'clock
Occasionally he woke up and , raising his head , stared solemnly into space , in the attitude of a Trafalgar Square lion . The bone now lay white and gleaming on the grass beside him . Then he fell asleep again . About four o'clock he roused himself and began to look for a suitable place of interment for the bone . By four-thirty the deed was done and he went to sleep once more . At five he woke up and pandemonium began . He could not remember where he had buried the bone !