PLATE XIX. 



PAGE 



Fig. 1. Clathurella araneosa, n. sp. . . . . . .355 



a. The natural size. 

 6. The shell, enlarged. 



c. The apex, magnified 40 diameters. 



Fig. 2. Clathurella pudens, n. sp. . . . . . . 354 



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



i. The shell, enlarged. 



Fig. 3. Pleurotoma (Spirotropis) tmeta, n. sp. . . . . 327 



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



Fig. 4. Pleurotoma (Pleurotomella) brychia, n. sp. . . . .335 



a. The natural size. c. Side view of the animal, natural size. 



b. The shell, enlarged. 



Fig. 5. Clathurella pachia, n. sp. . . . . . .353 



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



b. The shell, enlarged. 



Fig. 6. Pleurotoma (Surcula) anteridion, n. sp. . . . . .295 



a. The natural size. c. The sculpture, enlarged. 



b. The shell, enlarged. 



Fig. 7. Clionella quadruplex, n. sp. . . . . . 370 



a. The natural size. | b. The sculpture, magnified 5 diameters. 



Fig. 8. Clathurella streptophora, n. sp. . . . . . .356 



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



b. The shell, enlarged. 



Fig. 9. Clathurella {Daphnella) compsa, n. sp. . . . . . 366 



a. The natural size. c. The apex, magnified 20 diameters. 



b. The shell, enlarged. ', 



