THE 
SCIENTIFIC PROCHEDINGS 
OF THE 
ROYAL DUBLIN SOCIETY. 
alew Series, 
cog i i rg aD Sa lags Oo 

DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 
PRINTED BY ALEXANDER THOM, 87 & 88, ABBEY-STREET, 
PRINTER TO THE QUEEN’S MOST EXCELLENT MAJESTY, 
FOR HER MAJESTY’S STATIONERY OFFICE, 

1878. 
