Absorption of j3 Rays by Liquids. 183 



the saturated solution. However, since the largest deviation 

 of any one point from the straight line is not four times the 

 probable error of that point, it is scarcely legitimate to 



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draw any definite inference from the results. The accuracy 

 attained is not sufficiently great to determine the issue 

 investigated. 



5. In endeavouring to increase the accuracy of the ob- 

 servations it was found that, if a larger volume of solution 

 was used, a smaller value was found for \/p. It appeared 



