REFERENCE TO PLATES. 



417 



33. Tornatina pachys Wats. Chall. Rej)., 

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

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



Plate 25. 



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



42. Tornatina arata Wats. Chall. Rep., 



43. Tornatina amboinensis Wats. Chall. Rep., 



44. Tornatina coarctata Ad. Thes., 



45. Tornatina planospira Ad. Thes., . 



46. Tornatina biplex Ad. Thes., . 



47. Tornatina olivula Ad. = bullata Kn. Thes 



48. Tornatina cinctella Ad. Thes., 

 40. Tornatina gracilis Ad. Thes., 



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



51. Tornatina simplex Ad. Thes., 



52. Tornatina polita Ad. Thes., . 

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



Plate 26. 



56. Volvula sulcata Wats. Chall. Rep , 



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



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



60. Volvula rostrata Ad. Thes., .... 



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



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



64. Volvula striatula Ad. Thes., .... 



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



66. Volvula eburnca Ad. Thes., .... 



67. Volvula angustata Ad. Thes., ... 



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



69. Diaphana exj^ansa Jeffr. Sars., 



70. 71. Diaphana hyalina :=^ minuta Brown, 



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



75. Diaphana globosa Lov. Sars., 



76, 77. Diaphana seguenz?e Wats. Chall. Rep., . 

 78-80. Cylichna semisulcata Dkv. Ind. Moll. Jap., 



Plate 27. 



81. Atys dentifera Ad. Thes., 



82. Cylichna decussata Ad. Thes., 



83. Cylichna involuta Ad. Thes., 



84. Cylichna bizona Ad. Thes., . 



85. Cylichna biplicata Ad. Thes., 



86. Cylichna marmorata Ad. Thes., 



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