Synopsis of Genera and Species. 115 



Tethymelibidse. 



Melibe rosea, Rang. 

 PleurophyllidiidEe. 



Pleurophyllidia, Meckel. 



PL capensis, B. 



PI. Gilchristi, B. 



PL euchroa, B. 



PL microdonta, B. 



PecHnibranchiafa. 



Marsenia, Leach. 



M. perspicua (L.). 



M. capensis, B. 



M. leptoconcha, B. 

 Sigaretus planulatus, Recluz. 



