[September, 1900.J 



THE 



SCIENTIFIC TRANSACTIONS 



ROYAL DUBLIN SOCIETY, 



VOLUME VII.— (SERIES II.) 



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. 



(Plates XVII. to XXII.) 



DUBLIN: 

 PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 



WILLIAMS AND NOEGATE, 



14, HENRIETTA STEEET, COVENT GARDEN, LONDON ; 



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



PRINTED AT THE UNIYERSITY PRESS, BY PONSONBY AND WELDRICK. 



1900. 



Price Three Shillings and Sixpence. 



