"Martin must have guessed, or at least feared what had happened, for he was out of the train and running along the track before it stopped. In fact, he was the first to kneel down beside Mary—I mean, what had been Mary—and was holding her all bloody and shattered in his arms."

A door slammed. There were steps in the hall. Mrs. Kesserich stiffened and was silent. Jack turned.

The blur of a face hung in the doorway to the hall—a seemingly young, sensitive, suavely handsome face with aristocratic jaw. Then there was a click and the lights flared up and Jack saw the close-cropped gray hair and the lines around the eyes and nostrils, while the sensitive mouth grew sardonic. Yet the handsomeness stayed, and somehow the youth, too, or at least a tremendous inner vibrancy.

"Hello, Barr," Martin Kesserich said, ignoring his wife.

The great biologist had come home.


III

"Oh, yes, and Jamieson had a feeble paper on what he called individualization in marine worms. Barr, have you ever thought much about the larger aspects of the problem of individuality?"

Jack jumped slightly. He had let his thoughts wander very far.

"Not especially, sir," he mumbled.