REFERENCE TO PLATES, VOL. XIV. 299 



FIGURE PAGE 



36. Cerion columna P. & V. After Binney, . . . .177 



37. Cerion neglectum Mayn.=glans Kiist. After Dall., . .179 



38. Cerion uva L. After Ball., 179 



89. Cerion dalli Mayn. After Dall., . . . . .179 



40. Cerion regium Bens. After Dall., . . . . .179 



PLATE 48. 



41, 42. Buliraulus baeri Dautz. J. de Conch., . . .135 

 43,44. Bulimulus iocosensis Dautz. J. de Conch., . . 135 



45. Drymaeus obliquistriatus Da Costa. Proc. Malac. Soc., . 157 



46. Drymaeus cylindricus Da Costa. Proc. Malac. Soc., . 157 



47. Drymaeus chiriquiensis Da Costa. Proc. Malac. Soc., . 162 



48. Drymaeus subventricosus Da Costa. Proc. Malac. Soc., . 156 



49. 50. Drymasus sanctaemarthae Pils. Specimen, . . . 161 



51. Drymaeus roseatus var. montanus Pils. Specimen, . .161 



52. Drymaeus exoticus Da Costa. Proc. Malac. Soc., . . 156 



53. Drymaeus elsteri Da Costa. Proc. Malac. Soc., . .156 



54. Drymaeus expansus perenensis Da Costa. Proc. Malac. Soc. 156 



55. 56. Placostylus porphyrocheila D. & B. Journ. de Conch. . 167 



PLATE 49. 



1-4. Amphidromus metabletus Mlldff. Specimens, . .168 

 5,6. Amphidromus latestrigatus Schepm. Specimens, . 167 



7. Strophocheilus indentatus Da Costa. Proc. Malac. Soc. . 281 



8. Gonyostomus multicolor Rang. Pallial organs x 2. Pilsbry del. 



9. Thaumastus taunaisii Fer. Pallial organs. Pilsbry del. 



PLATE 50. 



[Note. Reference to the figures on plates 50 to 62 will be found in the 

 Supplement to this volume, to be issued with the first number of vol. XV.] 



1, 2. Drymaeus virginalis Pfr. After Schako. 



3. Plekocheilus blainvilleanus Pfr. After Semper. 



4, 5, 6, 12. Plekocheilus blainvilleanus Pfr. After Schako. 



7. Auris distorta Gm. After Semper. 



8. Zaplagius aurisleporis Brug. After Semper. 



9. 10. Plekocheilus aulacotylus Pfr. After Binney. 

 11. Auris aurissciuri Guffy. Proc. Malac. Soc. 



13. Auris egregia. After Semper. 



14. Auris distorta Gm. After Semper. 



15. Gonyostomus multicolor Rang. After Binney. 



PLATE 51. 



15. Placostylus shongii Less. Pallial organs. Pilsbry, del. 



16. Gonyostomus turnix Gld. Genitalia. Pilsbry, del. 



