D. APPLETON & CO.’S PUBLICATIONS. 
HE SYNTHETIC PHILOSOPHY OF HER- 
BERT SPENCER. In ten volumes. 12mo, Cloth, $2.00 
per volume. The titles of the several volumes are as follows . 
(1.) viget PRINCIPLES. 
The Unknowable. II, Laws of the Knowable. 
(2.) ee PRINCIPLES OF BIOLOGY. Vol. I. 
I. The Data of Biology. II. The Inductions of Biology. 
. The Evolution of Life. 
3.) THE PRINCIPLES ae BIOLOGY. Vol. II. 
IV. Morphological Development. V. Physiological Development. 
VI. Laws of Multiplication. 
(4) THE PRINCIPLES OF PSYCHOLOGY. Vol. I. 
. The Daia of Psychology. III. General Synthesis, 
I. The Inductions of Psychology. IV. Special Synthesis. 
» Physical Synthesis. 
(5-.) THE PRINCIPLES OF PSYCHOLOGY. Vol. II. 
VI. Special Analysis. VIII. Congruities. 
VII. General Analysis. IX. Corollaries. 
(6.) THE PRINCIPLES OF SOCIOLOGY. Vol. I. 
. The Data of Sociology. II. The Inductions of Sociology. 
III. The Domestic Relations. 
(7.) THE PRINCIPLES OF SOCIOLOGY. Vol. II. 
IV. Ceremonial Institutions. V. Political Institutions. 
(8.) THE PRINCIPLES OF SOCIOLOGY. Vol. III. 
VI. Ecclesiastical Institutions, VII. Professional Institutions, 
VIII, Industrial Institutions. 
(9) er PRINCIPLES, OF ETHICS. Vol. I. 
. The Data of Ethics. II. The Inductions of Ethics. 
III. The Ethics of Individual Life. 
(zo.) THE PRINCIPLES OF ETHICS. Vol. II. 
IV. The Ethics of Social Life: Justice. 
V. The Ethics of Social Life: Negative Beneficence. 
VI. The Ethics of Social Life: Positive Beneficence. 
Lo SOCIOLOGY. A Cyclopedia of 
Social Facts. Representing the Constitution of Every Type 
and Grade of Human Society, Past and Present, Stationary and 
Progressive. By HERBERT SPENCER. Eight Nos., Royal Folio, 
No. I. ENGLISH... » «$4 00 
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