been talking with far less heat and one-sidedness than the professor, and who had sufficient breadth of mind to answer the professor, and at the same time to comprehend the simple and natural point of view from which the question was put, smiled and said:�

“That question we have no right to answer as yet.”

“We have not the requisite data,” chimed in the professor, and he went back to his argument. “No,” he said; “I would point out the fact that if, as Pripasov directly asserts, perception is based on sensation, then we are bound to distinguish sharply between these two conceptions.”

Levin listened no more, and simply waited for the professor to go.