CONTENTS 



PAGH 



ON OUR KNOWLEDGE OF THE CAUSES OF THE 

 PHENOMENA OF ORGANIC NATURE 



THE PRESENT CONDITION OF ORGANIC NATURE . . II 

 THE PAST CONDITION OF ORGANIC NATURE . . 27 



THE METHOD BY WHICH THE CAUSES OF THE PRESENT 

 AND PAST CONDITIONS OF ORGANIC NATURE ARB 

 TO BE DISCOVERED. THE ORIGINATION OF LIVING 

 BEINGS 44 



THE PERPETUATION OF LIVING BEINGS, HEREDITARY 



TRANSMISSION AND VARIATION .... 64 



THE CONDITIONS OF EXISTENCE AS AFFECTING THE PER- 

 PETUATION OF LIVING BEINGS .... 80 



A CRITICAL EXAMINATION OF THE POSITION OF MR. 

 DARWIN'S WORK, " ON THE ORIGIN OF SPECIES," 

 IN RELATION TO THE COMPLETE THEORY OF 

 THE CAUSES OF THE PHENOMENA OF ORGANIC 

 NATURE 98 



ESSAYS ON DARWIN'S " ORIGIN OF SPECIES " 



THE DARWINIAN HYPOTHESIS 117 



TIME AND LIFE 131 



THE ORIGIN OF SPECIES 143 



CRITICISMS ON " THE ORIGIN OF SPECIES " . . . 177 



EVIDENCE AS TO MAN'S PLACE IN NATURE 



ON THE NATURAL HISTORY OF THE MAN-LIKE APES . 197 

 ON THE RELATIONS OF MAN TO THE LOWER ANIMALS . 244 



ON SOME FOSSIL REMAINS OF MAN .... 238 



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