1904.] OH Development of the Theory of Electrolytic Dissociation. 565 



good success to explain matter as only a manifestation of electro- 

 dynamic forces (Kaufmann-Abrabam). 



To tbese modern developments tbe work of Britisb men of science 

 bas contributed in tbe most eflective manner. Tbe bold previsions 

 of Sir William Crookes seem to be rapidly acquiring a concrete 

 form, to tbe great benefit of scientific evolution. | 



[S. A.] 



