PLATE IX 



Fig. 43. Miomelon scoresbyana n.sp., 48-4x25-5 mm. (holotype), St. 

 WS 816, between Falkland Is. and Strait of Magellan, 150 m. 



Fig. 44. Trophon echinolamellatus n.sp., 64 x39 mm. (paratype), St. 



170, Clarence I., 342 m. 

 Fig. 45. Trophon echinolamellatus n.sp., 63 x35 mm. (holotype), St. 



170, Clarence I., 342 m. 

 Figs. 46, 47. Xymenopsis falklandicus (Strebel, 1908) (n.g.), St. 55, 



Port Stanley, Falkland Is., 10-16 m. 

 Figs. 48, 49. Trophon scotianus n.sp., 34 x24 mm. (holotype), St. WS 



27, South Georgia, 107 m. 

 Fig. 50. Trophon cuspidarioides n.sp., 13 x 5-7 mm. (holotype), St. 42, 



South Georgia, 120-204 m. 

 Fig. 51. Trophon poirieria n.sp., 15-5x8-75 mm. (holotype), St. 190, 



Palmer Archipelago, 93-130 m. 

 Fig. 52. Trophon shackletoni paucilamellatus n.subsp., 31x21mm. 



(holotype), St. 148, South Georgia, 132-148 m. 

 Fig. 53. Typhlodaphne strebeli n.sp., 20 x 7-25 mm. (holotype), St. 388, 



between Cape Horn and Staten I., 121 m. 

 Fig. 54. Leucosyrinx paratenoceras n.sp., 38-75 x 11-5 mm. (holotype), 



St. 1952, South Shetland Is., 367-382 m. 

 Fig. 55. Leucosyrinx falklandica n.sp., 15-75x5-8 mm. (holotype), 



St. WS 781, north of Falkland Is., 336-341 m. 

 Fig. 56. Leucosyrinx paragenota n.sp., 21-25x7-5 mm. (holotype), 



St. 652, Burdwood Bank, 171-169 m. 

 Fig. 57. Paradmete percarinata n.sp., 16-5 x 10-5 mm. (holotype), 



St. 1957, Clarence I., South Shetland Is., 785-810 m. 



