PLATE XLIX. 



PAGE 



Fig. 1. Utriculus famclicus, n. sp. . . . . . . 653 



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



Fig. 2. Utriculus simillimus, n. sp. . . . . . .654 



a. The natural size. c. The apex, magnified 40 diameters. 



b. The shell, magnified. 



Fig. 3. Utriculus (Tornatina) leptekes, n. sp. . . . .656 



a. The natural size. 

 6. The shell, enlarged. 



c. The apex, magnified 30 diameters. 



Fig. 4. Utriculus (Tornatina) acrobeles, n. sp. ..... 657 



a. The natural size. e. The apex, magnified 30 diameters. 



b. The shell, enlarged. 



Fig. 5. Utriculus {Tornatina) avenarius, n. sp. . . . .658 



a. The natural size. c. The apex, magnified 13 diameters. 



b. The shell, enlarged. 



Fig. 6. Utriculus (Tornatina) aratus, n. sp. . . . . .658 



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



Fig. 7. Utriculus (Tornatina) amboinensis, n. sp. . . . . 659 



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



Fig. 8. Utriculus (Tornatina) pachys, n. sp. ..... 650 



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



Fig. 9. Cylichna ovata, Jeffreys . . . . . . .664 



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



Fig. 10. Cylichna discus, n. sp. . . . . . .664 



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



Fig. 11. Cylichna tahitiensis, n. sp. . . . . . .665 



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



Fig. 12. Cylichna crispula, n. sp. . . . . . .666 



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



