[full text} In the Papers and Proceedings of this Society for the year 1941, I described under the name of Pontobdella verrucosa a new Tasmanian marine leech. Professor M. C. Meyer has informed me that the name Pontobdella verrucosa is pre-occupied, having been given to a European leech by Dr. F. Leydig in 1851. It is necessary that a new name be given to the Tasmanian species and I therefore propose the name Pontobdella tasmanica