400 EXPLANATION OF PLATES. 



FIGtmB. PAGE. 



Plate 44. 

 16. Purpura Persica, Linn. Phillippines, .... 109 

 1*7. Purpura (Purpurella) columellaris, Lam. Panama, . 110 



18. Purpura (Tribulus) planospira, Lam. Galapagos Is., . Ill 



19. Purpura (Thalessa) hippocastaneum, Lam. Philippines, 111 



20. Purpura (Stramonita) Floridana, Conrad. Florida, .111 



21. Purpura (Trochia) cingulata, Linn. Cape of Grood Hope, 111 



22. Purpura (Polytropa)lapillus, Linn. N. England, Europe, 111 



23. Purpura (Cronia), am3gdala, Kiener. Australia, . .111 



24. Purpuroidea nodulata, Lycett. Oolite, England, . . 112 



25. 26. Lysis duplicosta, Gabb. Cretaceous, California, . 112 

 21. Vexilla vexillum, Chemn. Philippines, . . . 112 

 28, 29. Ricinula horrida. Lam. Philippines, . . . 113 



30. Ricinula (Sistrum) morus. Lam. Polynesia, . . 113 



31. Pinaxia coronata, A. Ad. Polynesia, .... 114 



32. Cuma kiosquiformis, Duclos. Panama, . . . 115 



33. 34. Rhizochilus autipathicus. Polynesia, . . .Ill 



35. Rhizochilus (Galeropsis) madreporarum, Sowb. Poly- 



nesia, .......... 117 



36. Separatista Chemnitzii, A. Ad. Philippines, . . 118 

 31, 38. Magilina serpuliformis, Velain. Indian Ocean, . 120 



39. Nisea simplex, Serres. Lower Crag, Nimes, . . 121 



Plate 45. 



40. lopas sertum, Brug. Polynesia, . . . . .112 



41. Monoceras giganteum. Lesson, Chili, . . . .113 



42. Monoceras lugubre, Sowb. Lower California, , .113 



43. Pseudoliva plumbea, Chemn. Africa, . . , , 114 



44. Chorus Belcheri, Hinds. California, , . . .114 



45. Concholepas Peruviana, Lam. Peru, . . . .115 



46. Rapana bezoar, Linn. Japan, ..... 116 

 41, Rapana (Ecphora) quadricostata. Say, Miocene, Md,, 116 



48, Rapana (Latiaxis) Mawffi, Gray, Philippines, , ,116 



49, Rhizochilus (Coralliophila) neritoidea, Polynesia, . Ill 



50, Melapium lineatum. Lam, East Indies, , . .118 



51, Rapa pap3'^racea, Lam, China, . , , . . 118 



52, 53. Magilus antiquus, Lam. Red Sea, .... 119 



Plate 46. 



54. Triton variegatus. Lam. Philippines, .... 121 



55. Triton (Simpulum) chlorostomus, Lam. West Indies, 123 



56. Triton { Cymatium) tigrinus, Brod. W, Coast of Centr, 



America, . . , . . . . . .123 



51. Triton (Gu1?turnium) cynocephalus, Lam. West Indies, 123 



58. Triton (Epidromus) distortus, Schub. et Wagn. Polj'u.. 123 



59. Triton (Priene) scaber, King. Chili, . . . ,123 



