Was there, was there the faintest glint of something which was not all sympathy in those grey depths of hers?
Before his conscious mind had even formulated the question, his other mind had asked and answered it, and, with the lightning speed of the subconscious, had acted.

The professor became aware of a complete change of outlook.

His remorse and timidity left him.

His brain worked clearly.
"Very well," said the professor.
The worm had turned!.