"You should not give up riding," I said; "it is a most healthful exercise and a splendid tonic for the nerves."

"I don't think you can realize how very weak I am," she answered, something like tears dimming her eyes. "Did not mother explain to you the strange symptoms from which I suffer?"

"DRAWING A CHAIR FORWARD, I SAT DOWN BY MY PATIENT."

"The symptoms of which you complain are clearly due to an over-wrought imagination," I replied. "You must try to curb it by every means in your power. I assure you I am only telling you the true state of the case when I say that there is nothing serious the matter with you."

She sighed and looked away from me.

I took her slim hand in mine and felt her pulse. It was weak, fluttering, and uneven. I bent forward and looked into her eyes—the pupils were slightly dilated. Still I held firmly to my opinion that nervous derangement, that most convenient phrase, was at the bottom of all that was wrong.

"Now," I said, rising as I spoke, "I will prescribe a drive for you this afternoon, and in a day or two, I have no doubt, you will be strong enough to get on horseback again. Take no medicines; eat plenty, and amuse yourself in every way in your power."

Soon afterwards I left the room, and saw Lady Erstfield alone.

"Your daughter is an instance of that all too common condition which we call neurasthenia," I said. "Although, unlike the name, the disease is not a coinage of the nineteenth century, still it has greatly increased of late, and claims for its victims those who have fallen out of the ranks of the marching army of women, in the advancing education and culture of their sex."