"Anxious."

"Then wait a moment."

With this request the old surgeon rose to his feet and stretched himself. Then with the stealthiness of a cat he opened the door and peered into the hall, listening intently. There was no sound. He softly closed the door and locked it. Then he closed the window-blinds and locked them. This done, he opened a door leading into an adjoining room, which, though it had no window, was lighted by means of a small skylight. The young man watched closely. A strange change had come over him. While his determination had not one whit lessened, a look of great relief came into his face, displacing the haggard, despairing look of a half-hour before. Melancholic then, he was ecstatic now.

The opening of the second door disclosed a curious sight. In the centre of the room, directly under the skylight, was an operating-table, such as is used by demonstrators of anatomy. A glass case against the wall held surgical instruments of every kind. Hanging in another case were human skeletons of various sizes. In sealed jars, arranged on shelves, were monstrosities of divers kinds preserved in alcohol. There were also, among innumerable other articles scattered about the room, a manikin, a stuffed cat, a desiccated human heart, plaster casts of various parts of the body, numerous charts, and a large assortment of drugs and chemicals. There was also a lounge, which could be opened to form a couch. The surgeon opened it and moved the operating-table aside, giving its place to the lounge.

"Come in," he called to his visitor.

The young man obeyed without the least hesitation.

"Take off your coat."

He complied.

"Lie down on that lounge."

In a moment the young man was stretched at full length, eyeing the surgeon. The latter undoubtedly was suffering under great excitement, but he did not waver; his movements were sure and quick. Selecting a bottle containing a liquid, he carefully measured out a certain quantity. While doing this he asked: