231 



Average n = 6.i4, v = 4. o 8 Sum 1473. 



We find that the curves are nearly identical and it will 

 be difficult to say if the one or the other has given more 

 variations. 



With the hmited material which at present is ready it 

 would not be suitable to go any farther in our conclusions. 



OccLipied at present to construct a more convenient 

 registering apparatus we hope to be able to continue these 

 researches in the nearest future. 



