246 REFERENCE TO PLATES. 



FIGURE. PAOB. 



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



I . * 1 t7 * JLJ.O 



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



P 1 9 A. 1 1 ^ 



.L.L,>,Tr, . . .11-1 



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



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



6. Microcystis margaritacea, Semper. Reisen Philipp., 



I. ^, I.J.D, . . . . . . . 1 1 o 



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

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



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



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



1 1 , 1 Z, . .ill 



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



q i f 9 q 1 1 q 



Oi-,-L'-j, O, . . . J. X v 



16-18. Microcystis Wilsoni, Semper. Reisen Philipp., t. 2. 



X* x x, A J. 



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. 46 , . . . . . . . . .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 Q 120 



A. | U A*JV7 



41, 42. Microcjrstis 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 Yitiensis, Mousson. Specimen, . . 120 

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



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



52. Microc3 r stis Ramsayi, Liardet. Zool. Proc., t. 5,f. 3, 



1876, .......... Ul 



