"Look out!" called the guard, watching him.

The man, however, paid no attention to the warning. It is strange that he was not hurt as he ran blindly alongside the train. Perilously near the end of the platform he stopped short and put his hand to his head. The train thundered away, its colored rear-lights vanishing far-off in the black tunnel. Oblivious to the interest of the spectators, oblivious to all the hurrying and running and crowding as other trains roared into the underground station, the little man leaned limply against a pillar.

"He's gone!" he muttered to himself. "He's gone!"

For upward of twenty years Mr. James Neal had been a clerk in the offices of Fields, Jones & Houseman on Lower Broadway. Every day of these twenty-odd years, if we except Sundays and holidays, Mr. Neal had spent an hour and a half on subway trains. An hour and a half every day for more than twenty years he had spent in the great underground system of the Interborough. Its ceaseless roar benumbed his senses as he was hurtled from the Bronx, where he had a room, to the Imperial Building, where he worked, and back again. This, as he had often computed, amounted to fifty-eight and a half working days each year, or about two months' time. Such was the fee he paid to Time for the privilege of using other hours for working and living. It had seemed a cruel loss at first—this hour and a half from every working day—but that was in the early days of his experience in the city. Then he had been driven by boundless energy and hope—the same energy and the same hope that had brought him here from his little mid-western community in the first place. Year by year, however, as custom calloused him to the only part in life he seemed fit to play, he forgot about the waste of time in the Interborough cars. Destiny, he said to himself, had hollowed out the subway as the rut in which his life was ordained to travel; destiny had condemned him inescapably to an underground roar.

He never confessed to anyone that he held the subway as the sign and symbol of the rut into which his life had grown. There was, indeed, nobody to whom he might impart such thoughts as he had about the deeper meanings of life. When Mr. Neal first came to Fields, Jones & Houseman's, timid and green from the country, he had been repelled by the lack of interest in his new problems on the part of his fellow clerks, and he had then put on for the first time that armor of indifference which now clung to him with the familiarity of an accustomed garment. Nor did he feel a greater kinship with the family in the Bronx with which he lodged. They were at pains not to annoy him; he kept apart from them.

Perhaps the pallid little clerk with the large grey eyes would have become very lonesome if he had not eventually found a real interest in life. This, then, was the manner and substance of his finding.

As he traveled back and forth on the subway morning and evening, day in and day out, week after week, he wasted the hours much more completely than most of his fellow travelers. The average subway passenger reads his newspaper and forgets the world; he knows by some sixth sense when the train has arrived at his station, and only then does he look up from his reading. Mr. Neal seldom read newspapers. The blatancy, the crassness of the daily prints revolted him. Perhaps there was another reason, too, which Mr. Neal himself did not realize; perhaps the settled selfishness which his manner of life had fixed upon him had destroyed a natural craving for the so-called "human interest" that is spread over the pages of the journals of the metropolis. He despised the little brawls aired in the papers, the bickerings of politics, the fights and strikes and broils of all humanity reflected in daily mirrors.

Self-deprived of the newspapers, it was natural that he should fall to watching the people on the cars. He got to studying faces. At first he did it unconsciously, and he had probably been analyzing features idly for years before he discovered and fully realized how extremely interesting this occupation was becoming. One half holiday he went up to the library and read a book on physiognomy, and after that he laid out his course of study carefully, classifying and laying away in his memory the various types of faces that he saw. He pursued his investigations in the detached, careful spirit of the scientist, but as time passed he was absorbingly interested. Every morning and every evening he worked in his laboratory—the subway trains.

He never had to stand up in the cars, for he boarded them, whether at one end of his trip or the other, before they were crowded; but as soon as crowds began to fill up the aisles he always gave up his seat. This naturally gained him repeated credit for courtesy, but the real reason for his apparent gallantry was that he could not see people's faces when he was sitting while others stood in the aisles. But when he hung to a strap and looked at the window in front of him, the blackness outside combined with the bright light of the car to make the glass of the windows an excellent mirror to reflect the faces of those who stood near him.

To classify faces according to nationality was not easy in the polyglot crowds of this East Side line. But Mr. Neal devised many schemes to help him. He watched the papers they read: everybody read papers! He even ventured when greatly curious, to ask a question of the object of his interest, so that the man might reveal his origin. Usually he was rebuffed, but sometimes he was successful. He read all the books on immigrants he could get his hands on. More than once he even followed a rare specimen—shadowed him to his work and there made guarded inquiries. Such investigations had several times made him late to work, so that his chief had made sarcastic remarks. The chief clerk at Fields, Jones & Houseman's was a tall, gaunt, old-young man with a hawk-like nose that carried eyeglasses perched perilously astride it, and he had a tongue that spit caustic. But the chief clerk's ugly words did not annoy Mr. Neal if his inquiry had been successful.