instilling of, an object of punishment, [165.]
Feeble-minded, distinguishing between the normal and, [185-188.]
See Defectives.
Feuds, family, [12.]
Flight, instinct of, in man, [46-47.]
Folk-ways, crime defined as violation of, [6-7;]
enforcement of, by primitive man, [8;]
present-day laws descended from, [28;]
are still a guide to man, [99-100.]
Forgers, development of, [66-68.]