EXPLAN-ATIO]Sr OF THE PLATES. 533 



PLATE XIV. 



Opistlio-hrancMata. Pao-e 



1. Tornatella tornatilis, L. Brit , 313 



2. Cylindrites acutus, Sby, Bath Oolite, Brit 313 



3. Acteonella Eenauxiana, D'Orb. \. L. Chalk, France 314 



4. Cinulia aYellana, Brongn. U. Greensand, Brit 314 



5. Tornatina voluta, Quoy sp. -|. I. Gruam, Australia 315 



6. Bulla ampulla, L. -1. India 316 



7. {-^tys) naucum, L \. Philippines 316 



8. Linteria ^dridis, Pang. Pitcairn Id 3l6 



■ 9. Acera bullata, Miill. Brit 316 



10. Cylichna cylindracea, Mont. Brit 317 



11. Aplustrum aplustre, L. sp. \. Mauritius 318 



12. Scaphander hgnarius, L. sp. ^. Brit 318 



13. Philine aperta, L. sp. Brit 318 



Aplysia depilans (hybrida, Sby.). Brit 320 



Dolabella scapula, Martyn, sp. \. Mauritius 321 



Lobiger Philippii, Krohn. Sicily 322 



Plem-obranchus membranaceus, Mont. 2. Brit 322 



Umbrella umbellata, Diilw. \. Mauritius 323 



Nucleohranchiata. 



19. Carinaria cymbium, L. |-. Medit 343 



20. Cardiapoda placenta, E. and S. ±. Atlantic 343 



21. Atlanta Peronii, Les. 22, operc. 23, fry. S. Atlantic 344 



24. Oxygyrus Keraudrenii, Eang. 25, operc. S. Atlantic 344 



26. Bellerophina minuta, Sby. G-ault, Brit 345 



27. BeUerophon bi-carinatus, Lev. j. Carb. Limestone, Torunay 344 

 28. expansus, Sby. 5. U. Silurian, Brit 345 



29. Porcellia Puzosi, Lev. ^. Carb. Limestone, Belgium 344 



30. Cyrtolites ornatus, Coni-ad (cast) f. L. Silurian, U. States 345 



31. Ecculiomphalus Bucklandi, Portl. |-. Silurian, Tyrone ... 345 



Ftero2:)oda. 



32. Hyalea tridentata, G-mel. Atlantic — Medit 348 



33. Cleodora pyramidata, L. Atlantic 349 



34. Creseis aciculata, Eang. Atlantic 349 



35. Cuiieria column ella, Eang. S. Atlantic 349 



36. Yaginella depressa, Basterot. 1-. Miocene, Bordeaux 349 



37. Eurybia Gaudichaudi, Souleyet S. Pacific (Huxley) ■, 350 



38. Psyche giobulosa, Eang. Ne^vfoundland 351 



39. Cymbulia proboscidea, Peron. Medit 351 



40. Tiedemannia Neapolitana, Chiaje. Medit 351 



41. Limacina antarctica (J. Hooker). S. Polar Seas, 63° — 46° . . 351 



42. Spirialis bulimoides, D'Orb. sp. Atlantic 351 



43. Cheletropis Huxleyi, Forbes. A. S. E. Australia 352 



44. Macgillivra,ia pelaciga, Forbes, a. C. Byron, E. Australia . . 352 



45. Clio borealis, Brtig. Arctic Seas 353 



46. Spongio-branchsea australis, D'Orb. A. S. Atlantic, Falk- 



land Ids 354 



47. Pneumodermon ^dolaceum, D'Orb. ^. S. Atlantic 353 



48. Trichocyclus Dumerilii, Esch. ^S-. South Sea 354 



49. Pelagia alba, Q. and G. Amboina 3<)4 



50. Cymodocea diaphana, D'Orb. Atlaniic 354 



A A., 2 



