﻿CONTENTS. 



CHAPTER I: p«- 



Historical 3 



CHAPTER H: 



Materials and Metliods 13 



CHAPTER HI: 



Experiments on the Effect of Ether on Seedlings of Pisum: 



Experiments on the Respiration 17 



Experiments on the Nitrogenous Compounds 21 



Results of the Sugar-Analyses 23 



CHAPTER IV: 



Experiments on the Translocation of the Nitrogenous Suhstances in Seedlings 25 



CHAPTER V; 



Experiments on tlie Effect of Etherization on liuds of Acer Pseudoplatanus 35 



CHAPTER VI: 



Experiments on the Effect of Etherization on Potato-tuhers 39 



CHAPTER VII: 



Experiments on the Effect of Etherization on Ripening Seeds 54 



CHAPTER VIII: 



Summar3' and Conclusions 59 



LITERATURE CITED 62 



