In about twenty minutes his temples began to throb, a sensation which was rapidly followed by nausea.
It was midday before he recovered from the effects of his experiment sufficiently to take food.

Then he waited for two hours, and felt much restored.

He stole to the hut and looked in.

Helen lay there as he had left her.

He stooped over her; her eyes were half closed, and she turned them slowly upon him; her lips moved a little--that was all.