IN 1880, in the Archives of Medicine, a paper appeared under the title, "Acroparesthesia," by Dr. J. J. Putnam, at that time "electrician" to the Outpatient Department of the Massachusetts General Hospital. Later, his title was altered to "neurologist." This paper was subtitled "A Series of Cases of Paresthesia – Mainly of the Hands – Recurrence and Possibly of Vasomotor Origin"; a history of 8 patients was detailed, and there were notes on 31 others.The principal symptoms were numbness in part of the median-nerve sensory distribution – worse between the hours of 3 and 4 a.m., and relieved . . .