Ignorance, disease due to, [252.]
Illinois, operation of parole law in, [267.]
Incest, crime of, [89-90.]
Indeterminate sentence, the, [268-271], [278.]
Industrialism and crime, [76], [203-212.]
Insane, restraint of, a measure of self-protection, [26;]
treatment of, [144;]
in prisons, [184-185;]
allowances for, in criminal codes, [187-190;]
legal tests of, not logical or humane, [190-192.]