four o'clock
cried the cab-horse . Dorothy did not reply to that . She felt that Jim would know more about the Saw-Horse later on . The time dragged wearily enough to the eager watchers , but finally the Wizard announced that four o'clock had arrived , and Dorothy caught up the kitten and began to make the signal that had been agreed upon to the far-away , invisible Ozma . `` Nothing seems to happen , '' said Zeb , doubtfully . `` Oh , we must give Ozma time to put on the Magic Belt , '' replied the girl . She had scarcely spoken the words when she suddenly disappeared from the cave , and with her went the kitten .