REFERENCE TO PLATES. 247 



PLATE 39. 

 FIGURE. PAGE. 



1-4. Tethys keraudreni Rang. After Rang, 95 



PLATE 40. 



1-11. Notarchus punctatus Phil. After Vayssiere, . . . .137 



12, 13. Notarchus punctatus Phil. After Philippi, 137 



14-16. Notarchus indicus Schw. After Mobi us, 136 



PLATE 41. 



17-19. Notarchus ocellatus Fer. After Rang, 138 



20-22. Notarchus laciniatus R. & L. After Riippell, ... 145 



PLATE 42. 



23-26. Notarchus savignanus Audouin. After Savigny, . . 144 



PLATE 43. 



27. Tethys concava gowb. C. Icon., 100 



28. Tethys anguillaCuming. C. Icon., 112 



29. 30. Notarchus lacinulatus Couth. U. S. Expl. Exped., . 147 



31. Notarchus plei Rang. After Rang, 148 



32, 33. Phy Haply sia limacina Rang. After Rang, . . . . . 134 



34. Notarchus glaucus Cheese m. P. Z. S., 146 



PLATE 44. 



35, 36. Notarchus plei Rang. ' Pilsbry, del., 148 



37. Notarchus plei Rang. After Rang, 148 



38-41. Dolabrifera jacksoniensis Pils. Pilsbry, del., .... 120 



PLATE 45. 



1. Oscanius grandis Pse. Am. Journ. Conch., 218 



2-6. Pleurobranchus punctatus Q. & G. Voy. Astrolabe, . 205 

 7-9. Pleurobranchus delicatus Pse. Am. Journ. Conch., . . 202 



PLATE 46. 



10, 14, 15. Oscanius mamillatus Q. & G. Voy. Astrol., ... 220 



11, 16, 17. Pleurobranchus ovalis Pse. Am. Jouru. Conch., . 202 



12, 13. Pleurobrauchus angasi Smith. Zool. Alert, .... 205 



