416 REFERENCE TO PLATES. 



PLATE 22. 



EIGURE. PAGEt 



13-15. Tornatin a recta Orb. Moll. Cuba, . . . .184 



16. Tornatiiia harpa Ball. A. J. C., 186 



17-19. Tornatina canaliculata Orb. = bullata. Moll. Cuba, 188 



20. Volvula minuta. Tr. Conn. Acad. . 237 



21, 22. Tornatina candei Orb. Moll. Cuba, . . . .185 



23. Tornatina canaliculata Say. Inv. Mass., . . . 184 



24. Tornatina obstricta Old. = canaliculata Say, . . . 185 



25. Tornatina exilis Dkr. Moll. Jap., 190 



26. Tornatina iuconspicua H. Ad. P. Z. S., ... 192 



27. Tornatina fusiformis Ad. Thes., 194 



28. Tornatina knockeri Sm. P. Z. S., . . . . 188 

 29-31. Tornatina voluta Q. & G. Astrol., . . . .195 



32. Tornatina voluta Q. & G. Thes 195 



33. Tornatina pusilla Iss.- = isselii Pils. Mai. Mar Rosso, . 191 



34. Tornatina olivseformis Iss. Savigny, .... 191 



35. 36. Tornatina brenchleyi Ang. P. Z. S., ... 202 

 37, 38. Tornatina hoffmani Ang. P. Z. S., . . . . 203 



39. Cylichnella oryza. Thes., 325 



40, 41. Haminea petiti Orb. Moll. Cuba, .... 359 



42. Cylichnella bidentata. Tr. Corfn. Acad., . . .325 



PLATE 23. 



43, 44. Retusa eumicra Crosse. J. de C., . . . . 227 



45. Retusa apiculata Tate. Tr. & Rep. Phil. Soc., . . 227 



46. Retusa borneensis Ad. Thes., 222 



47. Retusa antarctica Pffr. Jahrb. Hamb., .... 228 



48. 49. Retusa pertenuis Migh. Moll. Reg. Arct., . .216 



50. " Bulla " fragilis Velain Arch. Z. Ex., . . Vol. XVI. 



51. Retusa obtusa Mont. Thes., 214 



52. Retusa obtusa var. territa Moll. Moll. Reg. Arct., . . 215 



53. Retusa cecillei Phil. Thes 222 



54. Retusa nitidula Lov. Moll. Reg. Arct., . . . .212 

 55-57. Retusa semen Rve. Belch. Arct. Voy., . . .216 

 58, 59. Retusa gouldii Couth. Bost. Journ., . . .217 



60. Retusa conulus = obesiuscula. Tr. Conn. Acad., . . 231 



61. Retusa obesiuscula Brugn. Bull. Soc. Mai., . . . 231 

 62-64. Retusa truncatula Brug. Moll. Rouss., . . .205 

 65-67. Retusa mamillata Ph. Moll. Rouss., . . .206 



68. Retusa truncatula v. pellucida, Sars. .... 206 



69. Retusa cselata Bush. Tr. Conn. Ac., .... 232 

 70-72. Retusa semisulcata Ph. Moll. Rouss., . . .206 

 73, 74. Retusa sulcata Orb. Moll. Cuba., . .221 



PLATE 24. 



29. 30. Tornatina leptekes Wats. Chall. Rep 200 



31, 32. Tornatina acrobeles Wats. Chall. Rep., . . .201 



