She, also, felt flattered to think the professor should select her to assist him in his investigations instead of Merle, whom she considered to be her superior as a subject, and whose reputation as a subject was as great as the professor's as a demonstrator.

She had no realization of the difference in the kind or nature of the work done through them, nor, indeed, had she ever speculated upon that point.

Mrs. Millard excused herself, leaving William and Alice alone, and he soon placed her in a trance. She said nothing until he questioned her.

"Alice, are you waking?"

"Yes, Professor."

"Can you see my wife? Tell me what she is doing."

"She looks very thoughtful. I do not know whether she is sad or not."

"Why should she be sad?"

"I do not know that she is sad."

"Then why do you speak of it?"