.[OURNAL OF CONCHOI.OGY, VOL. l6, NO. 6, JUNE, I92I. 



Specimens for authentication by the Referees for inclusion in the Census should 

 be sent in the first instance to the Recorder, Prof. Boycott,. 17, Loom Lane, 

 Radlett, Herts. Slugs should be sent alive if possible. 



