WORKS OF HERBERT SPENCER, 



PUBLISHED BY 



E>. APPLETON AND COMPANY. 



SYSTEM OF PHILOSOPHY. 



L FIRST PRINCIPLES. 

 (New and Enlarged Edition.) 

 L THE UNKNOWABLE. 

 PART II. LAWS OF THE KNOW ABLE. 



659 pages. Price, $2.50 



U. THE PRINCIPLES OF BIOLOGY. VOL. L 

 PART I. THE DATA OF BIOLOGY. 

 PART II. THE INDUCTIONS OF BIOLOGY. 

 PART III. THE EVOLUTION OF LIFE. 



475 pages. Price, ........ $2.60 



PRINCIPLES OF BIOLOGY. VOL. II. 

 PART IV. MORPHOLOGICAL DEVELOPMENT. 

 PART V. PHYSIOLOGICAL DEVELOPMENT. 

 PART VI. LAWS OF MULTIPLICATION. 



565 pages. Price, $2.50 



III. THE PRINCIPLES OF PSYCHOLOGY. 



PART I. THE DATA OF PSYCHOLOGY. 144 pages. Price, - - $0.76 

 PART II. THE INDUCTIONS OF PSYCHOLOGY. 146 pa^es Price - $0*75 

 PART III. GENERAL SYNTHESIS. 100 pages. / 

 PART IV. SPECIAL SYNTHESIS. 112 pages. j- Price, - . $1.00 



MISCELLANEOUS. 



L ILLUSTRATIONS OF UNIVERSAL PROGRESS. 

 THIRTEEN ARTICLES. 451 pages. Price, ..... $2.50 



II. ESSAYS : 



MORAL, POLITICAL, AND ^ESTHETIC. 

 TEN ESSAYS. 386 pages. Price, $2.50 



III. SOCIAL STATICS: 

 OR THE CONDITIONS ESSENTIAL TO HUMAN HAPPINESS SPECIFIED, AND THE 



FIRST OF THEM DEVELOPED. 

 623 pages. Price, $2.50 



IV. EDUCATION : 



INTELLECTUAL, MORAL, AND PHYSICAL. 



288 pages. Price, 1 $1.25 



V. CLASSIFICATION OF THE SCIENCES. 

 60 pages. Price, ... . ..... $9.25 



VI. SPONTANEOUS GENERATION, Ac. 



16 pages. Price, . ... $0.25 



