J„ly, 1906 AlMrOVOy 'J^ 'N 1 



PHOCEEDINGS 



OF THE 



ROYAL IRISH ACADEMY 



VOLUMIO XXVI., SECTION A, No. 1 



FELIX E. HACKETT 



THE IONIC THEOKIES OF MAGNETO- 

 OPTIC ROTATION 



DUBLIN 

 BODGES, FIGGIS, & CO., Ltd. 

 LONDON : WILLIAMS & NOKGATE 

 1906 



Price Sixpence. 



