PLATE XXVI 



SEA-BUTTERFLIES : PTEROPODA 



Shell-Bearing 

 i. Cavolinia tridentata, Forskal. 



2. Vagiiiell.i depressa, Basterot. Fossil : Miocene. 



3. Cleodora cuspidate, Bosc. 



4. Spiralis bulimoides, d'Orb With its operculum. 



5. Tiedemannia Neapolitans, Delle Chiaje. 



6. Creseis acicula } Rang. 



7. Cuvieria columella, Rang. 



8. Limacina antarctica, Hooker 



9. Cymbulia proboscidia, Peron 



Shell-less 



10. Pelagia alba, Quoy and Gaim. 



11. Clioue borealis, Brug. 



12. Trichocyclus Dumerili, Esch. , • 



13. Pneumoderma violaceum, d Orb. 



14. Psyche globulosa, Rang. 



15. Eurybia G audichaudi , Soul. 



16. Spongiobranchia australis, d'Orb. 



HETEROPODA 



17. Atlanta Pevoni, Lesueur. 



18. Atlanta Peroni, Lesueur. 



19. Oxygyrus Keraudreni, Rang. 



20. Carinaria cristate, Linn.: p., proboscis; t., tentacles ;. b, gills; 

 , shell ; /., foot ; d, sucker. 



21. Carinaria cristate, Linn. The Shell. 



22. Cardiapoda placenta. Lesson. 



23. Amplubola mix-avellana, Chemn. 



24. Siphonaria Kurracheensis, Reeve. 



25. Gadinia Peruviana, Gray. 

 2G. Eulinia polita, Linn. 



27. Stilifer astericola, Brod. 



28. " Sinusigera Huxleyi," Forbes ") Now known to he fry of 



29. " Macgillivrayia pelagica," Forbes J different genera. 



30. Cyprcea testudinaria, Linn. Young shell with sharp thin lip ; in 

 the adult shell the mouth is like that shown on Plate V. , Fig. 5. 



%* All Figs, from drawings by S. P. Woodward. 



