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 NEW BOOKS. 433 most of his lectures. These were rewritten and amplified from time to time, and in some cases developed into tolerably finished compositions. In making selections from them it has been thought advisable not to in- clude anything written before 1874, the date of the 'Introductions to Hume'. The earlier drafts, though by no means devoid of interest, are for the most part superseded by those which are here printed; and where this is not the case the more careful composition of the latter seems to show that they contained the writer's maturer views." As now presented, with great care, by the editor (who gives, at a length of xxxviii. pp., a most elaborate and serviceable analysis of contents), the selections fall under four heads: (1) Lectures on the Philosophy of Kant, pp. 2-155; (2) Lectures on Logic, pp. 158-306 ; (3) On the different senses of 'Freedom' as applied to Will and to the Moral Progress of Man, pp. 308-33; (4) Lectures on the Principles of Political Obligation, pp. 335-553. The lectures on Kant are about equally divided between topics of his general and of his ethical philosophy. The lectures on Logic deal first, shortly, with the position of the Formalists (chiefly Mansel), and then, at greater length (pp. 195-306), with the main topics of Mill's treatise. The discussion of ' Freedom ' in Morality supplements what Green has elsewhere written on that subject. The remaining course of lectures, treating of the moral grounds upon which the State is based and obedience to the law of the State is justified, is partly critical and partly expository: it was to have been followed by a con- sideration of ' Social Virtues ' and ' Moral Sentiments ' that was never carried out. It will be evident, from this most general indication, what a range of thought more or less new the present volume offers to the critical survey of those who, from so many different sides, have shown themselves interested in Green as in few other workers of his time. The different parts of the volume will, it is hoped, all receive due appreciation in these pages. The Teacher's Handbook of Psychology. On the Basis of " Outlines of Psycho- logy". By JAMES SULLY, M.A., Lecturer on the Theory of Education in the College of Preceptors, London, &c. London: Longmans, Green, 1886. Pp. xvi., 509. Mr. Sully's Outlines of Psychology (reviewed in MIND, Vol. ix. 314) included, according to its subtitle, a special reference to the " Theory of Education," but had more directly in view the requirements of general students. While these have not been deterred, by the amount of applied psychology which the book contained, from taking swift advan- tage of the theoretical instruction it brought them, it has been more difficult for teachers to make their way through so much general theory to an ap- propriation of the lessons which, they are now becoming more and more aware, psychological science has for them. For the special benefit of teachers, Mr. Sully has, accordingly, here aimed at "considerably reducing and simplifying the statement of scientific principles " in his Outlines " and expanding the practical applications ". The labour has been far from small ; for it has been no case of mere condensation but, at some places, involved a systematic recasting, with introduction of new chapters where stood mere sections before. The result appears to be a well-balanced manual of practical psychology, for which teachers cannot fail to thank the author. He will not be insensible of the rather obvious duty that now arises for him, with the Outlines, to the general student. A Handbook of the History of Philosophy. For the Use of Students. By ERNEST BELFORT BAX. (" Bonn's Philosophical Library.") London : G. Bell & Sons, 1886. Pp. 419. It cannot be said that Mr. Bax has succeeded, with this volume, in 29