246 REFERENCE TO PLATES. 



FIGURE. PAOB. 



98-100. Microcystis lactea, Semper. Reisen JMiilipp., 



t. 2, f, 9, .118 



1-3. Microcystis tersa, Issel. Ann. Mus. Genoa, vi, t. 5, 



f. 1,2, 4, 117 



4. Microcystis lucidella, Pfr. Conch. Icon., f. 164, . .119 



5. Microcystis Thwaitesii, Pfr. Ibid., f. 1336, . .118 



6. Microcystis margaritacea, Semper. Reisen Pnilipp., 



t. 2, f. 15, . . 118 



7. Microcystis umbrina, Pfr. Conch. Icon., f. 1335, . 118 

 8-10. Microcystis perlucida, Issel. Ann. Mas. Genoa, vi, 



t. 5,f. 20, 22,23, 117 



11-13. Microcystis Macdougalli, Issel. Ibid., vi,t. 5, f. 9, 



11, 12, 117 



14, 15. Microcystis Hodgsoni, Blanford. Conch. Ind., t. 



31, f. 2, 3, 119 



16-1 8. Microcystis Wilsoni, Semper. Reisen Philipp., t. 2, 



f. 11,. . . . ' . . . . ! 118 



19-21. Microcystis Yestii, Jickeli. Acad. Leop. Nat. Cur., 



xxxvii, t. 4, f. 16, 118 



22-24. Microcystis Stephus, Benson. Conch. Ind., t. 62, 



f. 4-6, 118 



25-27. Microcystis succinea, Pfr. Conch. Cab., t. 87, f. 6-8, 118 



PLATE 40. 



28-30. Microcystis minutula, Crosse. Jour, de Conch., t. 



2, f. 2, 1874, 119 



31,32. Microcystis Bourguignatiana, Mabille and Le Mesle. 



Ibid., t. 7, f. 6, 1866, 120 



33-35. Microcystis Abyssinica, Jickeli. Acad. Leop. Nat. 



Cur., xxxvii, t. 4, f. 15, 119 



36. Microcystis Schmackeriana, Moll. Jahrb. Mai. Gesell., 



xii, t. 10, f. 10 120 



37. Microcystis Palaensis, Semper. Reisen Philipp., t. 2, 



f. 16, .120 



38-40. Microcystis pauxillula, Benson. Conch. Ind., t. 90. 



f. 7-9, .180 



41, 42. Microcystis vitrinina, Liardet. Zool. Proc., t. 5, 



f. 2, 1876, ... 121 



43-45, Microcystis Zikaveiensis, Heude. Hist. Nat. Emp. 



Chinois.,t. 13, f. 9, 120 



46-48. Microcystis Vitiensis, Mousson. Specimen, . .120 

 49-51. Microcystis Townsendiana, Austen and Nevill. Zool. 



Proc., t. 59, f. 1, 1879, .... .120 



52. Microcystis Ramsayi, Liardet. 'Zool. Proc., t. 5,f. 3, 



1876, ' . . .121 



