REFERENCE TO PLATES. 417 



FIGURE. PAGE. 



33. Tornatina pachys Wats. Chall. Rep., . . . .198 

 34-36. Retusa mariei Dautz. Camp. Sci., .... 207 

 37, 38. Tornatina avenaria Wats. Chall. Rep., . . .202 



PLATE 25. 



39-41. Tornatina protracta Dautz. Camp. Sci., . . .182 



42. Tornatina arata Wats. Chall. Rep., . . . .199 



43. Tornatina amboinensis Wats. Chall. Rep., . . . 196 



44. Tornatina coarctata Ad. Thes., . . . .193 



45. Tornatina planospira Ad. Thes., . . . . .192 



46. Tornatina biplex Ad. Thes., 192 



47. Tornatina olivula Ad. = bullata Kn. The?., . . .183 



48. Tornatina cinctella Ad. Thes., 193 



49. Tornatina gracilis Ad. Thes., 194 



50. Retusa oliviformis Wats. Chall. Rep., . . . .207 



51. Tornatina simplex Ad. Thes., 193 



52. Tornatina polita Ad. Thes., 192 



53-55. Retusa spatha Wats. Chall. Rep., .... 218 



PLATE 26. 



56. Volvula sulcata Wats. Chall. Rep., . . . .241 



57. Volvula minuta Bush. Tr. Conn. Ac., .... 237 



58. 59. Volvula paupercula Wats. Chall. Rep., . . 238 



60. Volvula rostrata Ad. Thes., 241 



61, 62. Volvula acuminata Brug. M. Sars., .... 234 



63. Volvula oxytata Bush. Tr. Conn. Acad., . . .235 



64. Volvula striatula Ad. Thes., 239 



65. Volvula cylindrica Sm. = Smithii Pils. P. Z. S., . . 233 



66. Volvula eburnca Ad. Thes., 239 



67. Volvula augustata Ad. Thes., 240 



68. Austrodiaphana brazieri Ang. P. Z. S., . . . . 287 



69. Diaphana expansa Jeffr. Bars., ..... 



70. 71. Diaphana hyalina minuta Brown, . . .283 

 72-74. Diaphana densestriata Leche. Sv. Vet. Handl., 



75. Diaphana globosa Lov. Sars., ..... 286 



76, 77. Diaphana seguenzse Wats. Chall. Rep., . . . 282 

 78-80. Cylichna semisulcata Dkv. Jnd. Moll. Jap., . . 303 



PLATE 27. 



81. Atys dentifera Ad. Thes., 276 



82. Cylichna decussata Ad. Thes., 315 



83. Cylichna involuta Ad. Thes., 310 



84. Cylichna bizona Ad. Thes., 323 



85. Cylichna biplicata Ad. Thes 310 



86. Cylichna marmorata Ad. Thes., 323 



