Seplember, igso 



11 



PROCEEDINGS 



ROYAL IRISH ACADEMY 



Volume XXX\', Section B, No. 11 



JANE STEPHENS 



THE FRESH-WATER SPONGES OF IRELAND 



DUBLIN 



HODGES, FIGGIS, & CO. 



LONDON: WIIJ.IAMS & NOHGAIH 



1920 



Price Tivo Shillings and Sixpence 



