of Ethics._ (On the relations of the ethical
problem.)

PUFFER, ETHEL: _The Psychology of Beauty._ (On the relations of the
aesthetical problem.)

CHAPTER VIII, NATURALISM.[436:A]

LUCRETIUS: _On the Nature of Things._ Translation by Munro. (Early
materialism.)

HOBBES: _Metaphysical System._ Edited by Calkins. _Leviathan_, Part I.
(Modern materialism.)

* * * * *

BUECHNER, LOUIS: _Force and Matter._ Translation by Collingwood.
(Nineteenth century materialism.)

JANET, PAUL: _Materialism of the Present Day._ Translation by Masson.

LANGE, F. A.: _History of Materialism._ Translation by Thomas.

HAECKEL, ERNST: _The Riddle of the Universe._ Translation by McCabe.
("Monism of Energy.")

CLIFFORD, W. K.: _Lectures and Essays: The Ethics of Belief; Cosmic
Emotion; Body and Mind._ (Positivism.)

HUXLEY, T. H.: _Evolution and Ethics; Prolegomena._ (Distinguishes
between the moral and natural.) _Science and Hebrew Tradition_; _Science
and Christian Tradition_. (Controversies of the naturalist with
Gladstone and Duke of Argyle.)

SPENCER, HERBERT: _First Principles._ (The systematic evolutionary
philosophy.) _Principles of Ethics._ (Ethics of naturalism.) _The Nature
and Reality of Religion._ (Controversy with Frederick Harrison.)

BALFOUR, A. J.: _Foundations of Belief_, Part I. (On the religious,
moral, and aesthetic consequences of naturalism.)

PATER, WALTER: _Marius the Epicurean._ (Refined hedonism.)

ROMANES, G. J.: _Thoughts on Religion._ (Approached from stand-point of
science.)

BENTHAM, J.: _Introduction to the Principles of Morals and
Legislation._ (Utilitarian.)

STEPHEN, L.: _Science of Ethics._ (Evolutionary and social.)

CHAPTER IX, SUBJECTIVISM.

PLATO: _Theaetetus._ Translation by Jowett. (Exposition and criticism of
Protagoras.)

BERKELEY: _Three Dialogues between Hylas and Philonous_; _Principles of
Human Knowledge_.

HUME: _An Enquiry Concerning Human Understanding._

SCHOPENHAUER: _The World as Will and Idea._ Translation by Haldane and
Kemp.

MILL, J. S.: _An Examination of Sir William Hamilton's Philosophy_,
X-XIII.

* * * * *

CLIFFORD, W. K.: _Lectures and Essays: On the Nature of Things in
Themselves._ (Panpsychism.)

DEUSSEN, PAUL: _Elements of Metaphysics._ Translation by Duff.
(Following Schopenhauer and Oriental philosophy.)

PAULSEN, FR.: _Introduction to Philosophy._ (Panpsychism.)

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