The Principles of Psychology

First edition, first printing, two volumes, issued as part of 'The American Science Series.' First-issue points include 'Psy-chology' hyphenated across the line on the advertisement leaf facing each volume's title page, together with uncorrected errors reading 'the seat of intellectual power' on page 10 of volume 1 and 'object of some absent object of sensation' on page 101 of volume 2