298 REFERENCE TO PLATES, VOL. XIV. 



FIGURE PAGE 



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



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



64. Cerion glans Kiist. ( pilsbryi Mayn.). Specimens, . . 262 



65. 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 Dall. 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 

 78-80. 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. Ceriqn rubicundum Mke. Specimens, . . . 274 



91-93. Cerion 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 Fe"r. 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 



