[JuLY,:i891.]' 



THE 



SCIENTIFIC TRANSACTIONS 



OF THE 



ROYAL DUBLIN SOCIETY. 



VOLUME IV. (SERIES II.) 



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

 History Museum, Dublin. Plates LYL, LYII. 



DUBLIN: 



PUBLISHED BY THE EOTAL DUBLIN SOCIETY. 



LONDON: WILLIAMS AND NOEGATE. 



PRINTED AT THE UNIVERSITT PRESS, BY PONSONBT AND WELDRICK, 



PEINTEES TO THE SOCIETT. 



1891. 



