Qw ws FIN 
THE 
SCIENTIFIC PROCEEDINGS 
OF THE 
ROYAL DUBLIN SOCIETY. 
Vol. XI. (N.S.), No. 18. MARCH, 1907. 
ON SERIES IN SPECTRA. 
BY 
ARTHUR W. CONWAY, M.A., F.R.U.L, 
PROFESSOR OF MATHEMATICAL PHYSICS, UNIVERSITY COLLEGE, DUBLIN. 
[Authors alone are responsible for all opinions expressed in their Communications. | 
DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY, 
LEINSTER HOUSE, DUBLIN. 
WILLIAMS AND NORGATE, 
14, HENRIETTA-STREET, COVENT GARDEN, LONDON, W.C. 
1907. 
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MAY 10 1907 
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vu . v\e 
ational Muse 
Price Sixpence. 
