First edition. 8vo. iv, 250 pp. Original dark green cloth, printed paper spine label, decorated endpapers (ownership inscription of the eminent historian of science Robert M. Young on front free endpaper, faint uniform toning to paperstock, contents otherwise generally unmarked; light wear to extremities, a very good copy). New York, G.P. Putnam’s Sons, 1881.
A comparative study of Hartley’s associationism and Mill’s utilitarianism.
