Importance of the Study of Galls 121 



elusion, however, that germ-plasm is by no means limited 

 to those cells which need it for their own development, nor 

 to their progeny, we may even now regard as perfectly- 

 certain. 



And this is probably the most important inference 

 which we may deduce from this entire section. With it 

 we have established one of those laws which can be ap- 

 plied as bases for our hypothesis. But we shall revert to 

 this in the last Section. 



