than oife 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 rufibranckialis.
Figs. 1, 2j 3. Eolis rufibt'anchialis, in different positions.
4. Two of the papillæ more highly magnified.
5. A tentacle much magnified.
