428 



EXPLANATION OF PLATES. 



14, 



16, 



18, 



FIGURE. PAGK. 



12. Gemella liyaliiica, H. and A. Ad. S. Pacific, . . 204 

 l.S. Siimsigera Huxleyi, Forbes. Australia, . . .111 

 15. Pliiline aperta, Linn. Europe, .... 352 

 11. Pliiline (Clielidonura) hirundinarin, Quoy. Maur- 

 itius, 352 



19. Plianeroptiialmus luteus, Quoy. N. Guinea,. . 353 



20. Cryptoplithalnius olivaceus, Ehrenb. Red Sea, . . 353 



21. Linteria viridis, Rang. Pitcairn's Isl., . . . 353 



22. Linteria (Nona) algirae, Hanley. Algiers, . . . 354 



23. Scaphander lignarius, Linn. England, . . . 354 



24. Gasteropteron Meclielii, Kosse. ' Mediterranean, . 354 



25. Tornatina coarctata, A. Ad., ..... 355 



26. Tornatella fasciata, Lam. Europe, .... 356 

 2*7. Tornatella (Solidula) solidula, Linn. Philippines, . 356 

 28. Tornatella (Rictaxis) punctocselata. Carp. California, 356 



Ringicula buccinea, Desh., ...... 357 



Cylichna jirachis, Quoy. Polynesia, . , . . 358 

 Cylichna (Mnestia) marinorata, A. Ad., . . . 358 

 Utriculus Cecillei, Phil. Mediterranean, . . . 359 



33. Cjiichna (Cyliclinella) bidentatus, d'Orb. Cuba, . 359 



34. C3''liclin;v (Yolvula) acuminata, Brug., .... 359 

 Diaphana debilis, Gould. New England, . . . 359 

 Bulla ampulla, Linn. Philippines, .... 359 

 38. Haminea hydatis, Linn. Europe, .... 360 

 Atys naucuin, Linn. Philippines, .... 360 

 Atys (Dinia) dentifera. Ad. Lord Hood's Isle, . . 360 

 Atys (Sao^ pyriformis, A. Ad. China Sea, . . . 360 

 Atys (Physema) hieraalis. Couth. Massachusetts, . 360 

 Aplustrum aplustre, Linn. Philippines, . , . 361 

 BuUina lineata, Wood. Australia, . . . ■ . 361 

 Hydatina physis, Linn. Mauritius, .... 361 



29. 

 30. 

 31. 

 32. 



35. 

 36. 

 31, 

 39. 

 40. 

 41. 

 42. 

 43. 

 44. 

 45. 



Plate 88. 



46. Actiieoniua Lorieriana, d'Orb., ..... 



4*7. Actseonina (Euconactaion) concava, d'Orb. Jurassic, 



France, ......... 



48. Actfeonina (Cylindrites) cuspidata, Morris. Oolite, 



Engl., . ■ 



49. Tornatella (Nucleopsis) subdivaricata, Conr. Eocene, 



Alabama, ......... 



50. Tornatella { Act;ieonidea) oryza, Gabb. Tertiary, West 



Lidies, ......... 



51. Trochactaion Reneauxiana, d'Orb., .... 



52. Globicoucha coniformis, Romer. Cret., Eur., 



53. Globiconcha Fleuriausa, d'Orb. Cret., Eur., 



54. T^dostoma torrubi8e,.Sharpe. Cret., Portugal, 



55. Tylostoma (Yarigera) Ruchatiana, d'Orb. Cret., Eur., 



355 



355 



355 



356 



356 

 356 

 357 

 357 

 357 

 357 



