"As was befitting, I did all that my knowledge suggested to make sure that I was suffering under no delusion. At first astounded, I could hardly think, but in a minute's time I was sure that my pulse was steady and regular, and that I was in my real and true senses. I ran over the anatomy of the foot and arm and repeated the formulæ of some of the carbon compounds, and then fixed my eyes quietly on what was before me.