LIST OF ILLUSTRATIONS IN VOLUME XII. 



PAGE 



New Marine Shells from Ceylon Plates I and II. ... lo 



Helicoid Land Shells. Plates III and IV 14 



PalwU'strina Jenkinsi, E. A. Smith, var. aculeata. . . . . 15 



Flanimidina (TJnilosi^ohelix) laitu/i, n. sp. Plate V. ... 20 



New species of Land Shells. Plate VI. . . . . . 25 



Californian Nudibranchs. Plates VII and VIII. • • . • 53 



Cataulus smifhi, n. sp. . . . , , . . , . 56 



Cafaulus jvexfoni, n. sp. . ...... 56 



Cataulus marf/inafus var. notata, n. var. . . . . . 57 



CafauJux roni/ene); n. sp. . . . . . . . . 57 



New species of Polyplacophora. Plate IX. . . . . . 71 



Anatomy of certain species of Solenidae. Plate X. ... 85 



