298 KEFERENCE TO PLATES, VOL. XIV. 



FIGURE PAGE 



60-62. Cerionglans Kiist. (bimarginatum Mayn.). Specimens,. 262 



63. Cerion glans Kiist. (cera Mayn.). Specimens,. . . 262 



6 t 4. Cerion glans Kiist. (pilsbryi Mayn.). Specimens, . . 262 



5. Cerion glans Kiist. (evolva Mayn.). Specimens, . . 263 



66, 67. Cerion glans Kiist. (restrictum Mayn.). Specimen!, . 263 



68, 69. Cerion glans Kust. Gun Cay. Specimens, . . . 263 



PLATE 44. 



70, 71. Cerion stevensoni Ball. Specimen 220 



72,73. Cerion felis P. & V. Specimen, ..... 221 



74. Cerion tenuilabris Gundl. Specimen, ... . . 200 



75, 76. Cerion martinianum Kiist. Conch. Cab., . . . 264 

 77. Cerion martinianum Kiist. Specimen, .... 264 

 7880. Cerion glans varium, nameless form. Specimen, . . 258 



81. Cerion blandi P. & V, Specimen, 263 



82. Cerion multistriatum P. & V. Specimen, . . . 268 



83. Cerion gruneri Pfr. (?). . Specimen, . -. . . 267 



84. Cerion bendalli P. & V. Specimen, . . . .266 



85. 86. Cerion caymanense Pils. Specimen, .... 196 



PLATE 45. 



86-90. Cerion rubicundum Mke. Specimens, . . . 274 

 91-93. Gerion rubicundum ianthina Mayn. Specimens,. . 275 



94. Cerion rubicundum pallidum Mayn. Specimens, . . 275 



95. Cerion duplodon P. & V. Specimens, .... 276 

 96-98. Cerion heterodon Pils. Specimens, . . . .275 

 99, 1-4. Cerion dalli Mayn. Specimens, . . . . .276 



PLATE 46. 



5, 6. Cerion bryanti Pfr. Novit. Conch., . , ' . . 272 

 7-10. Cerion bryanti Pfr. Specimens, .... 272 

 13-16. Cerion bryanti var. Specimens, .... 273 



17, 18. Cerion bryanti var. pudicum Pils. Specimens, . . 273 

 19. Cerion striatellum ' Fer.' Guerin. Guerin's Mag. de Zool., . 278 

 20-23. Cerion striatellum 'Fer.' Guerin. Specimens, . .278 

 24, 25. Cerion tridentatum P. & V. Specimens, . . . 280 

 26, 27. Cerion basistriatum P. & V. Specimens, . . .278 



PLATE 47. . 



28-30, 32-34. Cerion mumia chrysalis Fer. Fig. 28, free 

 retractor muscles; 29, jaw; 30, pallial organs; 32, 33, 

 extended genitalia; 34 genitalia, . . . 177 



31. Cerion pannosum var. copium Mayn. Specimen, . . 178 

 35. Cerion incanum Binn. After Binney, . . . . 176 



