PLATE L. 



PAGR 



Fig. 1. Cylichna noronyensis, n. sp. . . . .. . .666 



a. The natural size. 



b. The shell, enlarged. 



c. The apex, magnified 30 diameters. 



Fig. 2. Cylichna reticulata, u. sp. . . . . . .667 



a. The natural size. 



b. The shell, enlarged. 



c. The sculpture, magnified 70 diameters. 



Fig. 3. Cylichna subreticulata, n. sp. . . . . . 668 



a. The natural size. c. The sculpture, magnified 50 diameters. 



b. The shell, enlarged. 



Fig. 4. Cylichna labiata, n. sp. . . . . . . 669 



a. The natural size. 



b. The shell, enlarged. 



The sculpture, magnified 70 diameters. 



Fig. 5. Cylichna (Volvula) patipcrcula, n. sp. . . . . 669 



a. The natural size. 



b. The shell, enlarged. 



c. The sculpture, magnified 70 diameters. 



Fig. 6. Cylichna (Volvula) sulcata, n. sp. . . . . . 670 



a. The natural size. | b. The shell, enlarged. 



Fig. 7. Dolabrifera triangularis, n. sp. . . . . . . 673 



a. The natural size. I c. The concave face of the same, enlarged. 



b. The convex face. 



Fig. 8. Caecum angustum, n. sp., de Folin ..... 688 



The shell, magnified 50 diameters. 



Fig. 9. Csecum eburneum, n. sp., de Folin ..... 688 



The shell, magnified 40 diameters. 



