them with his handkerchief. Then he gazed at them again. Then he turned to the Warden. "Are they bound?" he enquired.
"No, we aren't," said Bruno, who thought himself quite able to answer this question.
The Professor shook his head sadly. "Not even half-bound?"
"Why would we be half-bound?" said Bruno. "We're not prisoners!"
But the Professor had forgotten all about them by this time, and was speaking to the Warden again. "You'll be glad to hear," he was saying, "that the Barometer's beginning to move--"
"Well, which way?" said the Warden——adding, to the children, "Not that I care, you know. Only he thinks it affects the weather. He's a wonderfully clever man, you know. Sometimes he says things that only the Other Professor can understand. Sometimes he says things that nobody can understand! Which way is it, Professor? Up or down?"
"Neither!" said the Professor, gently clapping his hands. "It's going sideways——if I may so express myself."
