e Science may appear to lose influence when the fallacy of a prevailing 

 hypothesis is demonstrated ; but it holds a treasured reputation for 

 honesty of purpose by frankly acknowledging and registering its 

 mistakes.' J. W. MELLOE. 



' If a man will begin with certainties, he shall end in doubts ; but if 

 he will be content to begin with doubts, he shall end in certainties/ 

 FRANCIS BACON. 



