Note 1 — INTRODUCTION.
Reading edition
See, on this subject, some remarks, in my work on "Stimulants and Narcotics" on Sir W. Hamilton's "Theory of the Relations of Perception and Common Sensation."
A very distinct and careful statement of the distinction between pain and hyperæsthesia will be found in a prize essay "On Neuralgia" by M. C. Vanlair, Jour. de Bruxelles, tom. xl., xli., 1865.