EOLIS RUFIBRANCHIALIS. 



than one species under the latter name in his ' Memoirs of Scottish Mollusca Nudibranchia,' 

 and the same course has been followed by other authors. The animal now figured agrees 

 with Dr. Johnston's description, and has been recognised by him as the type of his species 

 we therefore give it with confidence as the true Eolis I'ufibranchialis. 



Figs. 1, 2, 3. Eolis rufibranchialis, in different positions. 



4. Two of the papillae more highly magnified. 



5. A tentacle much magnified. 



