428 
FIGURE, PAGE. 
12. Gemella hyalina, H, and A. Ad. S. Pacific, 204 
13. Sinusigera Huxleyi, Forbes. Australia, a 1 
14, 15. Philine aperta, Linn. Europe, . 30% 
16, 17. Philine (Chelidonura) hirundinaria, Quoy. Maur- 
itins, 352 
ES. 19! Phaneropthalmus luteus, ‘Quoy. N. Guinea;. 353 
20. Cryptophthalmus olivaceus, ‘Bhrenb. | Red Sea, 353 
21. Linteria viridis, Rang. Pitcairn’s Isl., 353 
22. Linteria (Nona) algire, Hanley. Algiers, 354 
23. Scaphander lignarius, Linn. England, : 304 
24. Gasteropteron Meckelii, Kosse.. Mediterranean, 354 
25. Tornatina coarctata, A. Ad., 355 
26. Tornatella fasciata, Lam. Europe, ... : : 306 
27. 'Tornatella (Solidula) solidula, Linn. Philippines, 356 
28. Tornatella (Rictaxis) punctocelata, Carp. California, 356 
29. Ringicula buccinea, Desh.., : 357 
30. Cylichna arachis, Quoy. Polynesia, 358 
31. Cylichna (Mnestia) marmorata, A. Ad., 358 
32. Utriculus Cecillei, Phil. Mediterranean, é 359 
33. Cylichna (Cylichnella) bidentatus, d’ Orb. Cuba, 359 
34. Cylichna (Volvula) acuminata, Brug. ae 399 
35. Diaphana debilis, Gould. New England, 359 
36. Bulla ampulla, Linn. Philippines, 359 
37, 38. Haminea hydatis, Linn. Europe, 360 
39. Atys naucum, Linn. Philippines, 360 
40. Atys (Dinia) dentifera, Ad. . Lord Hood’ 8 Isle, 360 
41. Atys (Sao) pyriformis, A. Ad. China Sea, . 360 
42. Atys (Physema) hiemalis, Couth. Massachusetts, 360 
43. Aplustrum aplustre, Linn. Philippines, 3 361 
44. Bullina lineata; Wood. Australia, 361 
45. Hydatina physis, Linn. Mauritius, 361 
PLATE 88. 
46. Actwonina Lorieriana, d’Orb., : : ; : . 355 
47. Actronina (Euconacteon) concava, d’Orb. Jurassic, 
France, . : . 305 
48. Acteonina (Oylindrites) cuspidata, Morris. Oolite, 
Enel., : . 355 
49. Tornatella (Nucleopsis) subdivaricata, Conr. Kocene, 
Alabama, : : - : . 396 
50. Tornatella (Acteonidea). ory zi, Gabb. Tertiary, West 
Indies, : : : . 356 
51. Trochactzon Reneauxiana, a’Orb., 356 
52. Globiconcha coniformis, Rimer, Cret., Eur., 357 
53. Globiconcha Fleuriausa, d’Orb. Cret., Eur., 357 
54. Tylostoma torrubiw, Sharpe. Cret., Portugal, : . 357 
55. Tylostoma (Varigera) Rochatiana, a’Orb. Cret., Eur., 357 
EXPLANATION OF PLATES. 
