"'Did the doctor leave medicine?' I asked.
"'Oh, yes, plenty; powder and pills.'
"'Where is it?'
"'On father's desk. He says he will take it regularly. He would not let me give it to him.'
"I reeled; everything seemed turning round with me.
"'Watch him,' I cried, 'watch——' and could say no more. Unconsciousness had come to relieve me.
"It was dark when I came to myself. I was lying on my own bed, and by the dim light burning on a small table near by I saw the form of Doris bending over me. Starting up, I caught her by the arm.
"'What is going on?' I cried.
"Rude noises were in the house. A sound of breaking glass.
"'It comes from the laboratory,' she exclaimed, and rushed from the room.