SCIENTIFIC TRANSACTIONS 
ROYAL DUBLIN SOCLETY. 
VOLUME II. (SERIES II.) 
2\8 433 
ID) WW 183 Ty IC INT ¢ 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 
PRINTED BY ALEX. THOM & CO,, 87, 88, & 89, ABBEY-STRERT, 
THE QUEEN’S PRINTING OFFICE. 
FOR HER MAJESTY’S STATIONERY OFFICE. 
1880-2. 
