EXPLANATION Or PLATES. 411 



FIGURE. PAGE. 



85. Velutina (Amplostoma) auriforme, Stol. Cret., India, . 208 



86, Yelutella flexilis, Mont. Northern Europe, . . 208 

 ^,8*7. Vanikoropsis Tuomeyana, Meek and Worthen. Cret., 



Judith River, . , 210 



88, 89. Ophileta (Discohelix) foliacea, Phil. Sicily, . . 220 



Plate 65. 



90. Yanikoro cancellata, Chemn. Philippines, . . . 210 



91. Crepidula Peruviana, Lam. Peru, . , , . 212 



92. Crepidula (lanacus) unguiformis. Lam. United States, 213 



93. Crepidula (Ergsea) plana. Ad. and Reeve, . , . 213 



94. 95. Berthilinea elegans, Crosse. Paris basin, . , 214 

 96, 97. Spiricella unguiculus. Rang. Miocene, France, . 215 

 98, 99. Amathina tricarinata, Chemn. India, . . . 215 



100, 1, 2. Hipponyx cornucopiae. Lam. ; with its shelly base 



(2). Eocene, Paris, 215 



3, 4. Hipponyx (Amalthea) conica, Schum. ; with base, . 215 



5, 6. Gr3rriscus Jeffrej'sianus, Tiberi. Mediterranean Sea, 211 



1. Platj^schisma-TJchte'isis, Keyserling. Silur., Europe, . 218 



8. Architea delicatum, Phil. Norway, . . . .218 



9. Straparollus qualteriatus, de Verneuil. Pal., Europe, 218 



10. Straparollus (Maclurea) magna, Lesueur. Chazy gr.. 



United States, 219, 224 



11. Straparollus (Schizostoma) Puzosii, de Yerneuil. Pal., 



Europe, 219 



12. Helicocryptus pusillus,d'Orb. Palaeozoic, Europe, . 219 



13. Adeorbis subcarinatus, Mont. Europe, . . .219 



14. Omalaxis supranitida, Wood. Northern Evirope, . 219 



15. 16. Homalogyraatomus,Phil. Mediterranean, Norway, 220 

 17, 18. Discohelix zanclea, Phil. Pliocene, Europe, . . 220 



19. Ophileta levata. Hall. Palaeozoic, New York, . . 220 



20. Eccyliomphalus serpula, de Koninck. Pal., Europe, . 220 



21. Straparollus calcar, d'Orb. Pal., Europe, . . . 218 



Plate 66. 



22, 23. Galerus Chinensis, Linn. China, . . . . 211 



24, 25. Infundibulum spirata, Forbes. W. Coast N.America, 211 



26. Infundibulum (Haliotidea) dilatata, Sowb., . . . 212 



27. Calyptrsea Martiniana, Reeve. Philippines, . . 212 



28. Crucibulum rudis, Brod. W. Coast Central America, . 212 



29. Crucibulum (Dispotaea) striata. Say. United States, . 212 



30. Capulus Ungaricus, Linn. England, . . . - . 213 



31. 32. Onustus Solaris, Linn. Malacca, .... 216 



33. Xenophora conchyliophora. Born. West Indies, . .216 



34. Solarium perspectivum, Linn. Amboina, . . .217 



35. Solarium (Turinia; variegatuni, Lam. Philippines, . 217 



