With regard to the former class, the deterring influence is detection. Capital sentence, perpetual imprisonment, or even a less severe sentence would operate equally in preventing the commission of the crime in their case, because the idea is not generally present in their mind when they premeditate it, or is completely outweighed by the fear of detection or discovery. With reference to the second and bolder class, a lingering imprisonment would appear more horrible in their estimation, and exercise an equal if not a greater deterring influence than the scaffold. Some of those men with whom I have met would glory in dying 'game' as they term it. Those who commit murder in order to gratify feelings of revenge, usually, I believe, find the gratification of the passion so sweet that they are for the time quite regardless of their own lives; and when jealousy is the cause of murder, it often happens that the murderer takes the law into his own hands and visits upon himself the penalty. I met cases in point, and in none of them did the fear of the death sentence operate against the perpetration of crime. They had made up their minds to lose their lives, and did not calculate on escape. Such cases are not common, however, and perhaps it is not possible to prevent them occurring. Those murders perpetrated for the love of money might to some extent be prevented by the general elevation of the mass of society, and by increasing the swiftness and certainty of detection; and I have come, after long study of the subject, and from frequent contact with those saved from the gallows, to the conclusion that capital punishment may now be safely abolished in this country. In all countries where secondary punishments are severe and capital punishments rigorously inflicted, murders are numerous, and in countries where the machinery for the detection of crime is defective it may be the same. Earl Russell, in a late edition of his work on the constitution, expresses opinions on this subject with which I coincide, but I disagree with him when he prescribes imprisonment and hard labour as being the most suitable method of dealing with criminals not capitally punished; I refer, of course, to imprisonment and hard labour as generally understood. There are three systems of imprisonment: the solitary, the separate and silent, and the promiscuous association of all prisoners at the public works. The solitary system feeds the lunatic asylums, the separate system has its advantages, if not too long continued, and of the promiscuous association system I have already at some length given my opinion.