P igs.
1 and 2. Embletonia pallida. (p. 128) Dorsal and ventral views.
3. Eolis (? Guthona) inornata. (p. 131) Dorsal view.
4. Eolis (? Guthona) northumbrica. (p. 131) One of the cerata considerably enlarged.
5. Ditto. A rhinophore. Ditto.
6 and 8. Amphoinna coerulea. (p. 129) Dorsal and lateral views. X 7.
7. Ditto. One of the cerata. Considerably enlarged.
Fig. 3 is from a drawing by Alder. The rest are from drawings by Hancock.
