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Introduction 



CHAPTER I. 



On the Principles of Science I 



CHAPTER II. 



Qn the essential Properties of Matter, with 

 Relation to the Principle of Life 21 



CHAPTER III. 



On the Nature and Evolution of the Princi- 

 ple of Life, comprehending the different 

 Endsybr which Vegetables, Brutes, and 

 the human Species, were created 48 



CHAPTER IV. 



The doctrine of Materialism stated and 

 refuted; and the Immateriality of the Soul 

 attempted to be proved 87 



CHAPTER v. 

 On Sensation and its Objects 10> 



A2 



5289S 



