London: Longmans).
Baldwin, _Mental Development in the Child and the Race_ (New York and London: Macmillans).
PHYSIOLOGICAL PSYCHOLOGY.
Ziehen, _Introduction to Physiological Psychology_ (London: Sonnenschein.

New York: Macmillans).
Ladd, _Elements of Physiological Psychology_ (New York: Scribners.
London: Longmans.

Abridged in _Outlines_).
Donaldson, _The Growth of the Brain_ (London: Walter Scott.

New York: Scribners).
EXPERIMENTAL PSYCHOLOGY.
Kuelpe, _Outline of Psychology_ (London: Sonnenschein New York: Macmillans).
Sanford, _Course in Experimental Psychology_ (Boston: Heath & Co.).
Scripture, _The New Psychology_ (London: Walter Scott.

New York: Scribners).
ANIMAL AND EVOLUTION PSYCHOLOGY.
Romanes _Mental Evolution in Animals and Man_, 2 vols.