Page:Round the Red Lamp.djvu/140

 Speaking for myself, I cannot imagine any higher mission for a woman of culture than to go through life in the company of a man who is capable of such a research as that which Dr. James M`Murdo O'Brien has brought to a successful conclusion."

"He has not spoken to me," murmured the lady.

"Ah, there are signs which are more subtle than speech," said her brother, wagging his head. "But you are pale. Your vasomotor system is excited. Your arterioles have contracted. Let me entreat you to compose yourself. I think I hear the carriage. I fancy that you may have a visitor this morning, Ada. You will excuse me now."

With a quick glance at the clock he strode off into the hall, and within a few minutes he was rattling in his quiet, well-appointed brougham through the brick-lined streets of Birchespool.

His lecture over, Professor Ainslie Grey paid a visit to his laboratory, where he adjusted several scientific instruments, made a note as to the progress of three separate infusions of bacteria, cut half-a-dozen sections with a microtome, and finally resolved the difficulties of seven different gentlemen, who were pursuing