Jealousy, crime traceable to, 84-85. 
Jesus, doctrine of vengeance repudiated by, 13-14. 
Judges, attitude of, 282-283. 
Jukes family, study of the, 244-248;
  wrong deductions from, 248-249. 
Juries, attitude of, toward women criminals, 72, 73, 85;
  decision as to sanity of defendants left to, 144;
  abolition of, proposed by some, 282;
  better chances for the common man with, 283. 
Juvenile Courts, 59, 139. 
Juvenile Prison, the, 59.

Kallikak family, results of environment rather than heredity shown by, 249. 
Kidnapping, death penalty sometimes advocated for, 156. 
Killings. See Homicide. 
Kleptomania, a form of insanity, 191-192.

Labor, manual, and its poor pay, 69;
  training for manual, in schools, 69-70. 
Law, a codification of a custom, 8;
  and its infraction, 110-114;
  the criminal and the, 116-129;
  repealing of, 130-133;
  shortening and simplification of codes of, 278. 
Laws, feeling against so-called property, 112. 
Legislation, restrictive, resulting from World War, 220. 
Legislatures, fixing of punishments by, 155-156. 
Lockouts, crimes resulting from, 102. 
Lombroso, C, discarded theory of, 172. 
Luck, element of, as affecting man, 255-262.

Man, origin and development of, like that of other animal life, 29-34;
  the product of heredity and environment, 34-36;
  as a predatory animal, 94-100;
  the outlook for, 274. 
Milton, the hell of, 15. 
Mind, operations of the, clouded in mystery, 24;
  seat of, in whole physical organism, 174. 
Money-getting, brain power not involved in, 51-54;
  crimes due to passion for, 104-105. 
Murder, not a profession like burglary or other crimes, 62;
  by robbers and burglars, 93. 
Music, satisfaction of emotions by, 55.

Negroes, disregard of laws pertaining to, 132.

Pacifism, a dream, 218-219. 
Panics, strikes following on, 102. 
Pardons, granting of, to criminals, 263-272. 
Parole, release of prisoners on, 265-272. 
Parole boards, 22;
  responsibilities of, 266-272;
  need of, for honesty, intelligence, and thorough equipment for work,
  278-279. 
Parole laws, 218-219. 
Pick-pocket, development of the, 60-62. 
Pliny, letter of, quoted, 225-228. 
Poverty, relation between crime and, 101-102, 172, 176-177;
  of men charged with crime, 120. 
Prisoners, situation of, 120-123;
  proposed remedial measures affecting, 273-282. 
Prisons, reformation not accomplished in, 20-21.
  gradual improvement in, 163-164. 
Probation, system of, 271-272. 
Prohibition laws, 138;
  effect of, on crime, 197-198;
Property, crimes against, 97-99;
  normal results of civilization, 100;
  discussion and analysis of, 101-108. 
Pugnacity, instinct of, in man, 47, 48. 
Punishment, purpose of, 12 ff.;
  hatred and vengeance as moving purposes