[October, 1901.] 



THE 



SCIENTIFIC TRANSACTIONS 



ROYAL DUBLIN SOCIETY. 



VOLUME VII.— (SERIES 11.) 



XII. 

 BANDED FLAME-SPECTEA OF METALS. 



BY 



W. N. HARTLEY, F.R.S., 

 Honorary Fellow of King's College, Loud 3a ; Royal College of Science, Dublin ; 



AND 



HUGH RAMAGE, B.A., A.R.C.Sc.L, 



St. John's College, Cambridge. 



(Plates XXIX. to XXXIII.) 



DUBLIN: 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 



WILLIAMS AND NORGATE. 



14, HENRIETTA STREET, COVENT GARDEN, LONDON ; 



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



PRINTED AT THE UNIYEESITT PRESS, BY PONSONBT AITD WELDRICK. 



1901. 



