"Precisely. Whilst in your morning gown, into which you had scrambled, you recalled yourself in your regatta costume going upstairs to change. This fragmentary reminiscence presented itself before you as a vision. Actually you saw nothing. The impression on your brain of a scrap recollected appeared to you as if it had been an actual object depicted on the retina of your eye. Such things happen, and happen not infrequently. In cases of D. T.——"
"But I haven't D. T. I don't drink."
"I do not say that. If you will allow me to proceed. In cases of D. T. the patient fancies he sees rats, devils, all sorts of objects. They appear to him as obvious realities, he thinks that he sees them with his eyes. But he does not. These are mere pictures formed on the brain."
"Then you hold that I really was at the boat-race?"
"I am positive that you were."
"And that I danced at Lady Belgrove's ball?"
"Most assuredly."
"And heard Carmen at Her Majesty's?"
"I have not the remotest doubt that you did."
Betty drew a long breath, and remained in consideration.