

THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



|Mu Strtts. 



MAR" 5 1921 ) 



VOLUME XV. 



DUBLIN : 

 PUBLISHED BY THE ROYAL DUBLIN SOCIETY, 



LEINSTER HOUSE, DUBLIN. 



WILLIAMS & NOEGATE, 



14 HENRIETTA STREKT, COVENT GARDEN, LONDON, W.C. 



1916-1920. 



>-7 



