244 REFERENCE TO PLATES. 



FIGURE. PAGE. 



79, 80. Bensonia splendens, Hutton, Conch. Ind., t. 51, 



f. 7, 10, . ... .:*" . .109 



81, 82. Bensonia petasus, Benson. Ibid., t. 89, f. 8, 9, . 109 

 83, 85. Bensonia Aspides, Benson. Ibid., t. 62, f. 7-9, . 109 



PLATE 37. 



86, 87. Sophina calias, Benson. Conch Ind., t. 147, f. 2, 3, 109 



88. Sophina discoidalis, Stol. (= Calias, var.). Ibid., 1. 147, 



f. 7, . 109 



89, 90. Sophina Schizostelis, Bens. (= calias, var.). Ibid., 



t. 147, f. 5, 6, 110 



91, 92. Sophina forabilis, Benson. Ibid., t. 147, f. 1, 4, . 110 



93, 94. Sophina conjungens, Stolicz. Ibid., t. 147, f. 8, 9, 110 

 95. Durgella honesta, Gould. Ibid., t. 90, f. 10, . .111 

 96-98. Eurypus casca, Gould. Moll. Wilkes Expl. Exped., 



f.,69, 110 



99. Eurypus similis, Semper. Reisen Philipp., t. 2, f. 4, . 110 

 100-2. Eurypus nitidissima,Smith(==Treasuryensis,Tryon). 



Zool. Proc., t. 36, f. 1, 1885, Ill 



3-5. Eurypus solidiuscula, Smith. Ibid.,t. 36, f. 2, 1885, 111 

 6, 7. Durgella Khasiaca, Austen. Shells of India, Pt. 



iv, t. 39, f. 7, Ill 



8, 9. Durgella levicula, Benson. Conch. Ind., t. 90, f. 1, 4, 111 

 10-12. Durgella honesta, Gould, var. Andersoniana, Nevill. 



Jour. As. Soc. Bengal, xl, t. 17, f. 7-9, . . .112 



13, 14. Durgella Shisha, Austen. Ibid., xliv, t. 1, f. 3, . 112 

 15-17. Microcystis glaberima, Semper. Semper Reisen, 



t. 2, f. 10, . . . ' . . . . . 112 

 18-20. Microcystis electrina, Jacq. Voy. Astr. et Zel., t. 



6, f. 37-39, . 112 



21. Microcystis Jacksoniensis, Gray. Conch. Icon., f. 1462, 113 

 22-25. Microcystis ornatella,Plr. (=Adamsi,Pfr.). Kiister, 



Conch. Cab., t. 29, f. 23-26, 112 



26. Microcystis Marquesana, Pease. Am. Jour. Conch., iv, 



t. 12, f. 2, . . . . . . . .113 



27. Microcystis perpolita, Mousson. Jour, de Conch., t. 



14, f. 1,1869, .... . .113 



PLATE 38. 



28-30. Microcystis verticillata, Pease. Jour. Philad. Acad., 



ix, t. 2,f. 31, 113 



31. Microcystis orbis, Beck. Conch. Icon., f. 623, . .114 

 32-34. Mycrocystis callifera, Pfr. Conch. Cab., t. 27, f. 



14-16, 114 



