Sommers stopped to laugh at himself. His fury was foolish, a mere generalization of discontent from very little data. Still, it was a relief to be out in the purring night sounds. He had passed from the affluent stone piles on the boulevard to the cheap flat buildings of a cross street. His way lay through a territory of startling contrasts of wealth and squalor. The public part of it--the street and the sidewalks--was equally dirty and squalid, once off the boulevard. The cool lake wind was piping down the cross streets, driving before it waste paper and dust. In his preoccupation he stumbled occasionally into some stagnant pool. Should he take Lindsay's job, if he had the chance? Obstinately his mind reverted to a newspaper paragraph that had caught his eye months before: on the occasion of some disturbance over women students in the Western Medical College, Dr. Lindsay had told the men that "physicians should be especially considerate of women, if for no other reason, _because their success in their profession would depend very largely on women_." Certainly, if he had to decide to-night, he would rather return to Marion, Ohio, than join his staff. Such a retreat from the glories of Chicago would be inconceivable to old Hitchcock and to the girl. He reflected that he should not like to put himself away from her forever. St. Isidore's loomed ahead in the quiet street, its windows dark except for the night light in the ward kitchens. He should like to turn in there for a few minutes, to see how the fellow was coming on. The brute ought not to pull through. But it was too late: a new regime had begun; his little period of sway had passed, leaving as a last proof of his art this human jetsam saved for the nonce. And there rose in his heated mind the pitiful face of a resolute woman, questioning him: "You held the keys of life and death. Which have you given _me_?" CHAPTER V The Athenian Building raises its knife-like facade in the centre of Chicago, thirteen stories in all; to the lake it presents a broad wall of steel and glass. It is a hive of doctors. Layer after layer, their offices rise, circling the gulf of the elevator-well. At the very crown of the building Dr. Frederick H. Lindsay and his numerous staff occupy almost the entire floor. In one corner, however, a small room embedded in the heavy cornice is rented by a dentist, Dr. Ephraim Leonard. The dentist's office is a snug little hole, scarcely large enough for a desk, a chair, a case of instruments, a "laboratory," and a network of electric appliances. From the one broad window the eye rests upon the blue shield of lake; nearer, almost at the foot of the building, run the ribboned tracks of the railroad yards. They disappear to the south in a smoky haze; to the north they end at the foot of a lofty grain elevator. Beyond, factories quietly belch sooty clouds.