416 



REFERENCE TO PLATES. 



Plate 22. 



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



16. Tornatina harpa Dall. A. J. C, 



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



20. Volvula minuta. Tr. Conn. Acad. 



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



23. Tornatina canaliculata Say. Inv. Mass., 



24. Tornatina obstricta Gld. = canaliculata Sny, 



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



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



27. Tornatina fusifovniis Ad. Thes., 



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

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



32. Tornatina voluta Q. & G. Thes., . 



33. Tornatina pusilla Iss. = isselii Pils. Mai. Mar Ross 



34. Tornatina olivieformis Iss. Savigny, 



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

 37, 38. Tornatina hoffraani Ang. P. Z. S., . 



39. Cylichnella oryza. Thes., 



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

 42. Cylichnella bidentata. Tr. Conn. Acad., 



0, 



184 



186 



II 



237 



185 



184 



185 



190 



192 



194 



188 



195 



195 



191 



191 



202 



203 



325 



359 



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 PHr. 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 crelata Bush. Tr. Conn. Ac, . . . .232 

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

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



Plate 24. 



. 200 

 . 201 



29. 

 31, 



30. Tornatina leptekes Wats. Chall. Rep., 

 32. Tornatina acrobeles Wats. Chall. Rep., 



