PLATE XVIII. 



PAGE 



Fig. 1. PIcurotoma (Drillia) climacota, n. sp. . . . . 307 



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



Fig. 2. Borsonia ceroplasta, u. sp. . . . . . . 368 



a. The natural size. 



b. The shell, enlarged. 



c. The apex, magnified 25 diameters. 



Fig. 3. PIcurotoma (Spirotropis) brachytona, n. sp. . . . 324 



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



Fig. 4. Clathurella chyta, n. sp. . . . . . . .358 



a. The natural size. 



b. The shell, enlarged. 



c. The apex, magnified 30 diameters. 



Fig. 5. PIcurotoma (Drillia) laterculata, Sow. ..... 303 



a. The natural size. 



b. The shell, enlarged. 



c. The sculpture, magnified ii diameters. 



Ficr. 6. Pleurotoma latisinuata, E. A. Sm. . . . . .304 



a. The natural size. 



b. The shell, enlarged. 



c. The sculpture, magnified ih diameters. 



Fig. 7. Pleurotoma (Surcula) lepta, n. sp. . . • • .288 



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



Fig. 8. Fusus (Euthria) chloroticus, v. Mart, (copied from v. Martens) . . 209 



a, 6. The shell, natural size, front and back view. I d. The operculum, enlarged, 

 c The apex, enlarged. 



Fig. 9. Cancellaria (Admete) carinata, n. sp. . . . • 275 



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



Fig. 10. Cancellaria imbricata, u. sp. . . . • .274 



a. The natural size. 



b. The shell, enlarged. 



c. The apex, magnified 7 diameters. 



Fig. 11. Cancellaria [Admete) specularis, n. sp. . . . 274 



a. The natural size. 

 6. The shell, enlarged. 



c. The sculpture, magnified. 



