Present Data Sufficient. 23 



It is quite remarkable that in the present 

 century, excelling as it does any period in the 

 world's history in exact and reliable scien- 

 tific knowledge, such unsatisfactory opinions 

 should obtain. The failure is still more in- 

 explicable when we reflect that these sub- 

 jects are in importance the highest which can 

 engage our attention as scientists. 



We have at the present time sufficient 

 reliable data whereon to found satisfactory 

 hypotheses. We have but to utilize the 

 means which the true scientists of the cen- 

 tury have so wonderfully developed, and 

 with which they have so prodigally sur- 

 rounded us, in order to complete the consum- 

 mation of the great and crowning achieve- 

 ment in physical science. 



