[...]and cellular confinement is practised. I refer to the large number of men who become insane or weak-minded in prison. In convict prisons this is, of course, quite common; but in ordinary gaols also, such as that I was confined in, it is to be found. About three months ago, I noticed amongst the prisoners who took exercise with me a young man who seemed to me to be silly or half-witted. Every[...].