PLATE XII 



A. TOXOGLOSSA 



i. Pleurotoma Babylonia, Linn. 



2. Mangilia taniata, Desh. 



3. Cancellaria reticulata, Dillwyn. 



4. Conus marmoreus, Linn. 



5. Terebra metadata, Linn. 



Other Toxoglossa are shown on Plate VII., Figs 11-13. 



B. TECTIBRANCHIA 



6. Aplustrum aplustre, Linn. 



7. Act aon to mat His, Linn. 



8. Tornatina voluta, Quoy and Gaim. 



9. Bullinella cylindracea, Penn. 



10. Cylindrites acutus, Sby. Fossil : Oolite. 



11. Bulla ampulla, Linn. 



12. Acera bullata, Mull. 



13. Scaphander lignarius, Linn. 



14. Lobiger Philippii, Krohn. 



15. Philine aperta, Linn. 



16. Aplysia depilans, Linn. 



17. Smaragdinella viridis, Rang. 

 iS. Dolabella Rumphii, Cuv. 



19. Oscanius membranaceus, Mont. 



Other Tectibranchia are shown on Plate V., Figs. 4 and 9 ; whilst the 

 Sea-Butterflies, Plate XXVI., Figs. 1-16, also belong here. 



C. NUDIBRANCHIA 



20. Jorunna Johnstoni, Aid. and Han. 



21. Facelina coronata, Forbes and Goods. 



22. Embletonia pulchra, Aid. and Han. 



23. Scylhsa pelagica, Linn. 



24. Tethys leporina, Linn. 



25. Glaums Atlanticus, Forster. 



26. Hevmcea bifida, Mont. 



27. Elysia viridis, Mont. 



28. Dendronotus frondosus, Ascan. 



*„,* All from drawings by S. P. Woodward. 



