"They're gone! They're gone!"
"What's gone?" asked Ben.
"My white mice! The cage door is open and they're all gone!"
CHAPTER XXI
THE BIG CIRCUS
Bunny Brown and his sister Sue looked at one another. If the white mice had escaped from the circus tent, some of the other animals might also get away. And suppose that should happen to the lion, which Ben had said was in one of the boxes! Just suppose!
"I—I guess we'd better go home, Bunny," said Sue, in a whisper.
"Yes," he answered. "I—I guess mother wants us. Come on!"
"What's the matter?" asked Bunker Blue. "I thought you were going to stay and help us, Bunny."