THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. SIII. (N.S.), lo. 6. JUIE, 1911. 



RADIANT MATTER. 



BY 



JOHN JOLY, ScD., F.R.S., 



PKOFESSOR OF GEOLOGY AND MINERALOGY IN THE UNIVERSITY OF DUBLIN. 



(PLATE IIIa.) 

 [A ufhors alone are responsible for all opinions expressed in their Communications.^ 



DUBLIN : 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY, 



LEINSTBR HOUSE, DUBLIN. 

 WILLIAMS AND NORGATE, 



14, HENRIETTA STREET, COVENT GARDEN, LONDON, W.C. y^\^-\^nm Instif^^ 



AUG 141911 ^ 

 Price One Shilling. ^^"^--^'onal IVl usevJ^^^V 



