Ten years ago, Dr. Roback issued the first edition of this important book. Important historically and intrinsically as representative of the crown of the Janet school, of which Prince may be said to have been its brightest gem. Now ten years after his death it is eminently fitting that it should see itself in a new and worthy setting.

The older neuropsychiatrists of the country remember Prince as the most outstanding protagonist of the psychopathology of the prefreudian era. The schoolmen have falsely dubbed psychopathology as ‘Abnormal Psychology’, and in the main are still dwellers in the ‘Prince’-tonian camp. We still see the obsolete conception “sub-conscious” loom large