3e. V ' \ 



[July; 1891.] 



THE 



SCIENTIFIC TRANSACTIONS 



ROYAL DUBLIN SOCIETY 



VOLUME IV. (SERIES II.) 



Ifiviaon o! Melius^ 

 Sectional Library 



THE SLUGS OF IRELAND. By R. F.^SCHAEFF, Ph.D., B.Sc, Keeper of the Natural 



M' 



History Museum, Dublin. Plates LVL, LYII. 



DUBLIN: 



PUBLISHED BY THE ROTAL DUBLIN SOCIETY. 



LONDON: WILLIAMS AND NORGATE. 



PRINTED AT THE UNIYERSITT PRESS, BY PONSONBY AND WELDRICK, 



PEINTEES TO THE SOCIETY. 



1891. 



