[Ocroser 1, 1908. ] 
THE 
SCIENTIFIC TRANSACTIONS 
OF THE 
mele win OiiainiN SOCIRIY 
VOLUME IX.(SERIES IL) 
WING 
AN INVESTIGATION OF THE CONNEXION BETWEEN BAND AND LINE 
SPECTRA OF THE SAME METALLIC ELEMENTS. 
[Prarus I. ann I1.] 
BY 
WALTER NOEL HARTLEY, D.Sc., F.R.S., Royal College of Science, Dublin. 
DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY, 
LEINSTER HOUSE, DUBLIN. 
WILLIAMS AND NORGATH, 
14, HENRIETTA STREET, COVENT GARDEN, LONDON, W.C. 
PRINTED AT THE UNIVERSITY PRESS, BY PONSONBY AND GIBBS. 
1908. 
Price Two Shillings. 
