_ ~~ = 
[SePreMBer, 1900. | 
THE 
SCIENTIFIC TRANSACTIONS 
OF THE 
eve DU EEN SsOCImnTY. 
VOLUME VII—(SERIES ILI.) 
VIII. 
THE ACTION OF HEAT ON THE ABSORPTION SPECTRA AND CHEMICAL 
CONSTITUTION OF SALINE SOLUTIONS. 
By W. N. HARTLEY, F.R.S., Royal College of Science, Dublin. 
(Prares XVII. ro XXII.) 
DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 
WILLIAMS AND NORGATE, 
14, HENRIETTA STREET, COVENT GARDEN, LONDON ; 
20, SOUTH FREDERICK STREET, EDINBURGH: any 7, BROAD STREET, OXFORD. 
PRINTED AT THE UNIVERSITY PRESS, BY PONSONBY AND WELDRICK. 
1900. : 
