458 SCIENTIFIC THOUGHT. 



already in antiquity ; just as I showed that the astro- 

 nomical and atomic views of nature grew out of vaguer 

 theories of older times, and that they owe their revival 

 and scientific usefulness to the fact that they have re- 

 ceived in recent days the precise treatment of exact 

 measurement and mathematical reasoning. 



END OF THE FIRST VOLUME. 



PRINTED BY WILLIAM BLACKWOOD AXD SONS. 



