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 Mobius, 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 Sowb. 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'glau.cus Cheesem. 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. Pleurobranchus angasi Smith. Zool. Alert, .... 205 



