EXPLANATION OF PLATES. 425 
FIGURE. PAGE. 
5, 6. Bucania (Stachella) bifrons, Waagen. Salt Range, 
India, . ; 4 ; : ; 4 - : .. 323 
7. Bellerophina Vibrayi, d’Orb. Cret., Europe, . . 323 
8, 9. Maclurea Logani, Salter. Lower Silurian, Canada. 
Fig. 8 is a side view of the shell, exhibiting the sub- 
Spiral operculum ; fig. 9 represents the operculum with 
its internal projections, . 324 
PLATE 83. 
10. Haliotis Mid, Linn. Cape of Good Hope, : . 325 
11. Haliotis gigantea, Chemn. Japan, : : ‘ =, o20 
12. Haliotis (Teinotis) asinina, Linn. China, . : . 325 
13. Haliotis (Padollus) tricostalis, Lam. Australia, . 325 
14. Haliotis (Sulculus) Janus, Reeve. Philippines, . . 325 
15. Fissurella picta, Gmelin. Straits of Magellan, . . 326 
16. Fissurella (Cremides) nodosa, Born. West Indies, . 326 
17. Fissurella (Lucapina) crenulata, Sowb. West Coast 
North America, . ‘ : ‘ : : . 326 
18. Fissurella (Fissurellidea) hiantula, Lam. Cape of Good 
Hope, . ‘ : . : : : : ‘ 327 
19. Fissurella (Macroschisma) maxima, Ads., . : . 327 
20. Fissurella (Pupilla) apertura, Born, . : ; . 327 
21. Parmophorus australis, Blainv. Australia, ° . 329 
22. Lottia gigantea, Sowb. Panama to Mazatlan, . . 332 
23. Patella (Patinella) Magellanica,Gmel. Sts. Magellan, 334 
24. Patella (Nacella) cymbularia, Lam. Cape Horn, . 334 
25. Patella (Helcioniscus) exaratus, Nuttall. Sandwich Ce sis 
26, 27. Patella (Scutellastra) longicosta, Lam. Cape of 
Good Hope, f : : : - : : .° 335 
28. Patella (Cymbulia) compressa, Linn. Cape Good Hope, 335 
29. Patella (Olana) cochlear, Born. Cape of Good Hope, 335 
PLATE 84. 
30. Fissurella (Fissuridea) pileopsoides, Rve. Philippines, 326 
31. Fissurella (Clypidella) pustula, Linn. West Indies, . 327 
32. Rimula exquisita, Ads. Philippines, : : - 327 
33. Rimula (Puncturella) Noachina, Linn N. Europe, . 328 
34, 35. Rimula (Cranopsis) pelex, A. Ad. Japan, . . 328 
36, Semperia elegans, Crosse. Madeira, : : . 328 
37. Emarginula fissura, Linn. Philippines, : : . 328 
38. Emarginula (Subemarginula) octoradiata, Sowb. West 
Indies, : : : : ; : : : . 328 
39, 40. Emarginula (Zeidora) reticulata, A. Ad. Japan, . 328 
41. Emarginula (Deslongchampsia) Eugenii, M’Coy. Oolite, 
England, . : : : ; d : : - 328 
42. Lepeta ceca, Miill. Northern U. S., Europe, d . 331 
28 
