expected, through the almost incredible multitude of inconsistencies which showed themselves on comparing different passages with one another. It was my business, however, to show things exactly as they were, and I did not flinch from it. I endeavoured always to treat the philosopher whom I criticised with the most scrupulous fairness; and I knew that he had abundance of disciples and admirers to correct me if I ever unintentionally did him injustice. Many of them accordingly have answered me, more or less elaborately; and they have pointed out oversights and misunderstandings, though few in number, and mostly very unimportant in substance. Such of those as had (to my knowledge) been pointed out before the publication of the latest edition (at present the third) have been corrected there, and the remainder of the criticisms have been, as far as seemed necessary, replied to. On the whole, the book has done its work: it has shown the weak side of Sir William Hamilton, and has reduced his too great philosophical reputation within more moderate bounds; and by some of its discussions, as well as by two expository chapters, on the notions of Matter and of Mind, it has perhaps thrown additional light on some of the disputed questions in the domain of psychology and metaphysics.
After the completion of the book on Hamilton, I applied myself to a task which a variety of reasons
