THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. XV. (U.S.), No. 11. MAT, 1916. 



ON DESOXY-HYDROCATECHIN-TETRAMETHYL- 



ETHER. 



BY 



HUGH RYAN, D.Sc, 



AND 



MICHAEL J. WALSH, M.Sc, 



UNIVERSITY COLLEGE, DUBLIN. 



[A uthors 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. 



1916. 



Price Sixpence. 



