Such then, are a few out of the many problems which have been
experimented upon in the Harvard Laboratory during the last
year--problems in perception, association, attention, "reaction
times," psycho-physic law, kinesthetics, esthetics, memory, will, and
so on, covering nearly the whole range of mental phenomena. I have
selected these few for presentation here, not for their importance
over others, but because they could be simply described in these
pages. The general aim of all the work is, however, very simple. As in
the other sciences, it seeks to establish fact after fact, in orderly
manner, along the whole line of mental nature; and by unifying these
to work ever to a larger knowledge of the whole.
[Illustration: WAX SPECIMENS IN THE MUSEUM.]