APPENDIX A. BIBLIOGRAPHY, INCLIJDING TEXTS MORE EABILY

WITHIN REACH OF ENOEISH READERB . . 493

APPENDIX B. WORKS ON PSYCHOLOOY OF GENERAL INTEREST 500
INDEX . . . . . . . . . . . . . . 503



CRIMINAL PSYCHOLOGY.

INTRODUCTION.


OF all disciplines necessary to the criminal justice in addition to
the knowledge of law, the most important are those derived from
psychology. For such sciences teach him to know the type of man
it is his business to deal with. Now psychological sciences appear
in various forms. There is a native psychology, a keenness of vision
given in the march of experience, to a few fortunate persons, who
see rightly without having learned the laws which determine the
course of events, or without being even conscious of them. Of this
native psychological power many men show traces, but very few
indeed are possessed of as much as criminalists intrinsically require.
In the colleges and pre-professional schools we jurists may acquire
a little scientific psychology as a ``philosophical propaedeutic,'' but
we all know how insufficient it is and how little of it endures in the
business of life. And we had rather not reckon up the number of
criminalists who, seeing this insufficiency, pursue serious psychological