PLATE VI 



Fig. n. Prosipho perverstis n.sp., 4 x2 mm. (holotype), St. 144, South 

 Georgia, 155-178 m. 



Fig. 12. Proneptunea fenestrata n.sp., 12 x 6-6 mm. (holotype), St. 141, 

 South Georgia, 17-27 m. 



Fig. 13. Proneptunea duplicarinata n.sp., 17x7 mm. (holotype), St. 160, 

 between South Georgia and Shag Rocks, 177 m. 



Fig. 14. Tromina fenestrata n.sp., 6 x4 mm. (holotype), St. WS 766, 

 between Falkland Is. and Argentina, 545 m. 



Fig. 15. Tromina simplex n.sp., 7-25 x 4-25 mm. (holotype), St. WS 237, 

 north of Falkland Is., 150-256 m. 



Fig. 16. Tromina bella n.sp., 7-4 x 5 mm. (holotype), St. WS 817, 

 between Falkland Is. and Patagonia, 191-202 m. 



Fig. 17. Pareuthria venustula n.sp., 13-3 x 5-9 mm. (holotype), St. 388, 

 between Cape Horn and Staten I., 121 m. 



Fig. 18. Notoficula problematica n.sp., 5-25x3-6 mm. (holotype), St. 

 WS 766, between Falkland Is. and Argentina, 545 m. 



Fig. 19. Pleurotomella} anomalapex n.sp., 7-8x3-9 mm. (holotype), 

 St. WS 225, between Falkland Is. and Patagonia, 162-161 m. 



Fig. 20. Belalora thielei, n.g. and n.sp., 7-1 x 3-7 mm. (holotype), St. 

 WS 801, north-west of Falkland Is. to Patagonia, 165 m. 



