THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. XIII. (KS.), No. 11. AUGUST, 1911. 



ON THE AMOUNT OF EADIUM EMANATION 

 IN THE SOIL AND ITS ESCAPE INTO THE 

 ATMOSPHERE. 



BY 



JOHN JOLY, Sc.D., F.R.S., 



PROFESSOR OF GEOLOGY AND MINERALOGY IN THE UNIVERSITY OF DUBLIN, 



AND 



LOUIS B. SMYTH, B.A., 



ASSISTANT TO THE PROFESSOR OF GEOLOGY, 



(PLATE IX.) 



1 / uthors alone are responsible for all opinions expressed in iheir Communications.], 



DUBLIN : 



PUBLISHED BY THE EOYAL DUBLIN SOCIETY, 



LEINSTER HOUSE, DUBLIN. 



WILLIAMS AND NOKGATE, 



H, HENRIETTA STREET, COVENT GARDEN, LONDON, W.C. 



# i9n. 



Price One SMUmff 



( NOV ^\c^ 1911 



