THE SYNTHETIC PHILOSOPHY 



OF 



HERBERT SPENCER 



FIRST PRINCIPLES. 



1 vol. $2.00. 

 CONTENTS. 



PART I. THE UNKNOWABLE. 



1. Religion and Science. 4. The Relativity of all Knowl- 



2. Ultimate Religious Ideas. edge. 



3. Ultimate Scientific Ideas. 5. The Reconciliation. 



PART II. THE KNOW ABLE. 



1. Philosophy defined. 13. Simple and Compound Evolu- 



2. The Data of Philosophy. tion. 



3. Space, Time, Matter, Motion, 14. The Law of Evolution. 



and Force. 15. The Law of Evolution (con- 



4. The Indestructibility of Matter. tinued). 



6. The Continuity of Motion. 16. The Law of Evolution (con- 



6. The Persistence of Force. tinued). 



7. The Persistence of Relations 17. The Law of Evolution (con- 



among Forces. eluded). 



8. The Transformation and Equiv- 18. The Interpretation of Evolution. 



alencc of Forces. 19. The Instability of the Homoge- 



9. The Direction of Motion. neous. 



10. The Rhythm of Motion. 20. The Multiplication of Effects. 



11. Recapitulation, Criticism, and 21. Segregation. 



Recommencement. 22. Equilibration. 



12. Evolution and Dissolution. 23. Dissolution. 



24. Summary and Conclusion. 



THE PRINCIPLES OF BIOLOGY. 



2 vols. $4.00. 

 CONTENTS OF VOL. I. 



PART I. THE DATA OF BIOLOGY. 



1. Organic Matter. 4. Proximate Definition of Life. 



2. The Action of Forces on Or- 5. The Correspondence between 



ganic Matter. Life and its Circumstances. 



3. The Reactions of Organic Mat- 6. The Degree of Life varies as the 



ter on Forces. Degree of Correspondence. 



7. The Scope of Biology. 



