(June, 1899.] 
THE 
SCIENTIFIC TRANSACTIONS 
OF THE 
ere wien SOCIED vy: 
VOLUME VII—(SERIES IL.) 
JOU, 
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 NORGATE, 
14, HENRIETTA STREET, COVENT GARDEN, LONDON: 
20, SOUTH FREDERICK STREET, EDINBURGH; anp 7, BROAD STREET, OXFORD. 
PRINTED AT THE UNIVERSITY PRESS, BY PONSONBY AND WELDRICK. 
1899. 
