EXPLANATION OF PLATES. 413 



FIGURE. PAGE. 



19. Siliquaria anguina, Linn. New Guinea, . . .227 



80. Bivona triquetra, Bivona. Sicily, .... 227 



81. Caecum cornuoides, Brown. Europe, .... 228 

 '82. Cfficum pulchellum, Stimpson ; and operculum. New 



England, 228 



Plate 68. 



83. Eulima tortuosa, Ad. and Reeve. China Sea, . .229 



84. Eulima (Eulimopsis) Carmelae, Brugnone. Pliocene, 



Sicily, 229 



85. Eulima (Arcuella) mirifica, Nevill. Mauritius, . . 229 



86. Eulima (lopsis) fusiformis, Gabb. Tertiary, West Ind., 280 



87. Leiostraca subulata, Donov. England, . . . 230 



88. Niso goniostoma, A. Ads. Philippines, . . . 230 



89. Stylifer subulatus, Brod., 231 



90. Stylifer (Plicifer) Nevillei, H. Ad. Ceylon, . . 231 



91. Macrocheilus Schlotheimii, d'Archiac, .... 232 



92. Aclis nitidissima, Mont. England, .... 236 



93. Hoplopteron Terquemi, Fischer. China Sea, . . 232 



94. Subeulima Lamberti, Souverb. New Caledonia, . . 232 



95. Scalenostoma carinatum, Desh. Isle of Bourbon, . 232 



96. Chemnitzia condensata, Desl., ..... 233 



97. Loxonema costatum, Sandberger. Palaeozoic, Europe, 234 



98. Turbonilla elegantissima, Mont. England, . . . 235 



99. Aclis (Hemiaclis) ventrosa, Jeffreys. Norway, . . 236 

 100. Anisocycla gracilis, Desh. Eocene, Paris basin, . 236 



1, 2. Eulimella Scill«, Scacchi. Europe, . . . 235 



3. Aclis (Rissopsis) t3q3ica, Garrett. Viti Islands, . . 236 



4. Aclis (lolsea) scitula, A. Ad. Japan, .... 236 



5. Odostomia nitida. Alder, England, . . . .236 



6. Odostomia (Auriculina) cylindracea. Alder. Europe, . 237 



7. Odostomia (Chrysallida) communis, C. B. Adams. West 



Indies, . . . 237 



8. Pyramis striatus, Couthuo3^ United States, . . 237 



9. Pyramis (Monoptygma) casta. Ad., .... 237 



10. Nerinsea trinodosa, d'Orb., ...... 239 



11. Pyramidella plicata, Lam. Philippines, . . . 238 



12. Pyramidella (Obeliscus) maculosa, Lam. Moluccas, . 239 



13. Nerinsea trachea, Deslong. ; showing the interior. 



Oolite, England, 239 



14. Nerinaea (Halloysia) biplicata, Briart and Cornet. Cal- 



caire grossier, Mons, Belgium, ..... 239 



15. 16. Syrnolopsis lacustris, E. A. Smith. Lake Tangan- 



yika, 238 



17, 18. Liostomia eburnea, Stimpson. United States, 



Norway, 237 



