416 REFERENCE TO PLATES. 



PLATE 22. 



EIGURE. PAGE. 



13-15. Tornatina recta Orb. Moll. Cuba, . . . .184 



16. Tornatina harpa Dall. 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 Gld. canaliculata Say, . . .185 



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



26. Tornatina inconspicua 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 hoffrnani Ang. P. Z. S., . . . . 203 



39. Cylichnella oryza. Thes., 325 



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



42. Cylichnella bidentata. Tr. Conn. 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 Ptfr. 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 



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., 



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., . 



PLATE 24. 



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



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



