Crossword-Solution: EOLIS 5 letters, 5 clues 🏆 scrabble score: 5

Where the modification is carried to its extreme degree, not only the shell but the pallial cavity, ctenidium and visceral hump disappear, and the body acquires a simple elongated form and a secondary external symmetry, as in _Pterotrachaea_ and in _Doris, Eolis_, and other Nudibranchia.

Some amongst them (_Tergipes, Eolis_) are also remarkable for possessing peculiarly modified cells placed in sacs (cnidosacs) at the apices of these same papillae, which resemble the "thread-cells" of the Coelentera.

The Crowned Eolis.] In the group of the Eolidæ, the gills are like leafless trees in most genera, but in the principal genus Eolis, they are long, spindle-shaped, sharp-pointed papillæ, arranged in transverse rows or clusters along the sides of the back, leaving a space between them, as in fig.

The Eolis coronata, like all its congeners, has a stinging apparatus, consisting of an oblong bag, full of thread cells, placed at the extremity of each papilla, from whence darts can be ejected through an aperture in the tip.