to do this altogether three or four times, and had even begun to wonder whether he should be able to resist much longer, when a sudden trembling of the table had awakened him, alert and conscious in a moment, and he had sat with every faculty violently attentive to what should follow.
That trembling was a curious sensation beneath his hands. At first it was no more than might be caused by the passing of a heavy van in the street; only there was no van. But it had increased, with spasms and recoils, till it resembled a continuous shudder as of a living rigid body. It began also to tilt slightly this way and that.
Now all this, Laurie knew well, meant nothing at all—or rather, it need not. And when the movement passed again through all the reverse motions, sinking at last into complete stillness, he was conscious of disappointment. A moment later, however, as he glanced up again at the medium in the cabinet, he drew his breath sharply, and Mr. Jamieson, at the sound, wheeled his head swiftly to look.