400 The Movements of Plants 



are dissimilar in the two cases. We must come bacij in fact, to 

 Danrinrcomparison of plants to animals. In both there ,s per- 

 cS macSnery by which they are made delicately alive to the, 

 enri onn^t, in LI the existing survivors are those whose mternal 

 consttotion has enabled them to respond in a beneficial way to the 

 disturbance originating in their sense-organs. 



