and one nowhere better appreciated than in countries loyal to
Teutonic ideals of culture. The present volume bears the promise
of performing a notable service for English readers by rendering
accessible an admirable review of the data and principles germane
to the practices of justice as related to their intimate conditioning
in the psychological traits of men.

The significant fact in regard to the procedures of justice is that
they are of men, by men, and for men. Any attempt to eliminate
unduly the human element, or to esteem a system apart from its
adaptation to the psychology of human traits as they serve the
ends of justice, is likely to result in a machine-made justice and a
mechanical administration. As a means of furthering the plasticity
of the law, of infusing it with a large human vitality--a movement
of large scope in which religion and ethics, economics and
sociology are worthily cooperating--the psychology of the party
of the first part and the party of the second part may well be considered.
The psychology of the judge enters into the consideration
as influentially as the psychology of the offender. The many-
sidedness of the problems thus unified in a common application is
worthy of emphasis. There is the problem of evidence: the ability
of a witness to observe and recount an incident, and the distortions
to which such report is liable through errors of sense, confusion of
inference with observation, weakness of judgment, prepossession,
emotional interest, excitement, or an abnormal mental condition.
It is the author's view that the judge should understand these
relations not merely in their narrower practical bearings, but in
their larger and more theoretical aspects which the study of psychology
as a comprehensive science sets forth. There is the allied