REFERENCE TO PLATES. 247 



FIGURE. PAGE. 



53-54. Microcystis myops, * Dohrn and Semper. Novit. 



Conch., ii, t. 58, f. 7, 8, 121 



55-57. Microcystis planula, Heude. Hist. Nat. Emp. Chi- 



nois., t/13, f. 6, .120 



58. Microcystis glabberrima, Moll. (= Minensis, Moll.). 



Jahrb. Mai. Gesell., x, t. 12, f. 7, . . . 121 



59-61. Microcystis Mooreana, Garrett. Jour. Philad. Acad., 



ix, t. 2, f. 28, . . 119 



62-64. Microcystis microgyra, Heude. Hist. Nat. Emp. 



Chenois., t. 13, f. 10,' 122 



65-67. Microcystis palmicola, Stolicz. Jour. As. Soc. 



Beng., xlii, t. 1, f. 10, . 122 



68-70. Microcystis Sonamargensis, Nevill. Moll. Yark- 



and Exped., f. 16-18, " 121 



71,72. Microcystis stenomphala, Moll. Jahrb. Mai. Gesell., 



xii, t. 10, f. 9, 121 



73-75. Microcystis Colombellaria, Heude. Hist. Nat. Emp. 



Chinois, t. 13, f. 12, . .... 122 



76, 77. Microcystis Ramburiana, Mabille and Le Mesle. 



Jour, de Conch., t. 7, f. 7, 1866, . . . .121 



PLATE 41. 



41-43. Microcystis Sekingeriana, Heude. Hist. Nat. Emp. 



Chinois, t. 13, f. 11, 122 



44. Microcystis rejecta, Pfr. Zool. Proc., t. 43, f. 1, 1859, 123 

 45-47. Microcystis Discordice, Garrett. Jour. Phila. Acad., 



ix, t. 2,'f. 35, ... .... 122 



48-50. Microcystina cultrata, Gould. Moll. Wilkes. Exped., 



f. 59, 125 



51-53. Microcystis pauxillus, Gould. Ibid., f. 46, . . 123 

 54, 55. Microcystina Taviunensis, Liardet. Zool. Proc., t. 



5, f. 1, 1876, 125 



56-58. Microcystis Mollendorffii, Rein. Jahrb. Mai. Gesell., 



iv, t. 10, f. 2, 123 



59, 60. Microcystis castaneola, Heude. Hist. Nat. Emp. 



Chinois, t. 13, f. 15 122 



61. Microcystina Kivaensis, Garrett. Proc. Philad. Acad., 



t. 3,11,71,1873, 124 



62. Microcystina firraostj'la, Mousson. Jour, de Conch., 



t. 14, f. 7, 1865, , 125 



63-65. Microcystis rejecta, Pfr. Jahrb. Mai. Gesell., iv, t. 



10, f. 1, 123 



66-68. Microcystis mamillaris, Heude (= rejecta). Hist. 



Nat. Emp. Chinois, t. 19, f. 8, . " . . . . 123 



69-71. Microcystis spelaea, Heude. Ibid., t. 13, f. 14, . 122 



72-74. Microcystis planata, Heude. Ibid., t. 19, f. 9, . 123 



