[June, 1899.] 



THE f] ^t. I 



Sa/, 



SCIENTIFIC TRANSACTIONS 



ROYAL DUBLIN SOCIETY. 



VOLUME VII.— (SERIES II.) 



II. 



RADIATING PHENOMENA IN A STRONG MAGNETIC FIELD. PART II.— 

 MAGNETIC PERTURBATIONS OF THE SPECTRAL LINES. By THOMAS 

 PRESTON, M.A., D.Sc, F.R.S. 



DUBLIN: 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 



WILLIAMS AND NOEGATE, 



14, HENRIETTA STREET, COYENT GARDEN, LONDON ; 



20, SOUTH FREDERICK STREET, EDINBURGH; and 7, BROAD STREET, OXFORD. 



PRINTED AT THE UNIYEESITT PEESS, BY PONSONBT AND WELDKICK. 



1899. 



Pi-ice One Shilling. 



