to think what the mechanism was. He tried to determine whether he really had the Medium's little finger touching his. He peered at the dark shape next him. There was a violent rapping far away behind them with an almost metallic resonance. Then the raps ceased, and over the healing silence the little jet of melody from the musical box played alone. And after a moment that ceased also. . . .
The stillness was profound. Mr. Lewisham was now highly strung. Doubts assailed him suddenly, and an overwhelming apprehension, a sense of vast occurrences gathering above him. The darkness was a physical oppression. . . .
He started. Something had stirred on the table. There was the sharp ping of metal being struck. A number of little crepitating sounds like paper being smoothed. The sound of wind without the movement of air. A sense of a presence hovering over the table.
The excitement of Lagune communicated itself in convulsive tremblings; the Medium's hand quivered. In the darkness on the table something faintly luminous, a greenish-white patch, stirred and hopped slowly among the dim shapes.
The object, whatever it was, hopped higher, rose slowly in the air, expanded. Lewisham's attention followed this slavishly. It was ghostly— unaccountable—marvellous. For the moment he forgot even