THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Yol. XIII. (I.S.), lo. 31. EEBETTART, 1913 



THE MELTING-POINTS OF SOME OF THE 

 EAKEE MINERALS. 



BY 



ARNOLD L. FLETCHER, M.A., B.E., 



EESEAECH ASSISTANT TO THE PKOFBSSOR OF GEOLOGY AND MINERALOGY IN THE 



UNIVEKSITY OF DUBLIN. 



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



DUBLIN : 



PUBLISHED BY THE EOYAL DUBLIN SOCIETY, 

 LEINSTER HOUSE, DUBLIN. 



WILLIAMS AND NORGATE, 

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



1913. 



Price One Shilling. 



JUL f im 



