8 PROTOPLASM. 



direction, and with the same force as it is made to flow during life by 

 the action of the living matter, ciliary movement would continue, 

 although the living matter of the cell was actually dead. It is most 

 important to distinguish between vital movements occurring in living 

 matter, and mechanical movements which result from alterations in 

 tension, the flow of currents, &c., consequent upon changes effected by 

 living matter. 



