1 6 THE MYSTERY OF LIFE. 



force-correlation doctrine of vitality, therefore, 

 draws largely not only upon our faith in the 

 prophecy that some new mode of force will be 

 discovered, but that when it shall have been 

 discovered it will undoubtedly transcend in its 

 capacity every mode of force yet known. It 

 will be found to be at least as far above chemical 

 force as this is superior to ordinary motion. 

 But the advocates of the force-doctrine of life 

 stake everything upon the truth of the prophecy 

 and we who irreconcileably differ in opinion 

 from them must be content to wait, and in the 

 meantime be restricted to observation and 

 experiment, because we are not gifted with the 

 prophetic spirit, while they, more fortunately 

 circumstanced, may develope fancies, and ex- 

 pound the discoveries of their imagination. 

 But for how long are we expected to continue 

 to bow down to dogma — for a limited period 

 only, or for as long a time, as the prophecy may 

 remain unfulfilled ? 



It may be trice that chemistry ceases in our 

 living tissues under that form to " appear under 

 some higher correlative," but it has not been 

 proved, nor has any step been made towards 

 proof. Can anybody give us a conception of the 



