PLATE IV. 



Figs. 1, 2. Seal pel hnu </i<j<ix, n. sp. 



Fig. 1. Animal, lateral view; natural size. 



Fig. 2. Animal, seen from the carina] side; natural size. 



Figs. 3-5. Scalpellum regium (Wyv. Thorns.) u. sp. 



Fig. 3. Young animal, lateral view; natural size. 



Fig. 4. Full grown animal, lateral view; natural size. 



Fig. 5. Full grown animal, seen from the carinal size; natural size. 



Figs. (5, 7. Scalpellum eximium, n. sp. 



Fig. 6 Animal, lateral view; natural size. 



Fig. 7. Animal, seen from the carinal side; natural size. 



Figs. 8, 9. Scalpellum elongatum, n. sp. 



Fig. 8. Animal, lateral view; natural size. 



Fig. 9. Animal, seen from the carinal side; natural size 



Figs. 10, 11. Scalpellum velutinum, n. sp. 



Fig. 10. Animal, lateral view; natural size. 



Fig. 11. Animal, seen from the carinal side; natural size. 



Figs. 12, 13. Scalpellum planum, n. sp. 



Fig. 12. Animal, lateral view; magnified 2 diameters. 



Fig. 13. Animal, seen from the carinal side; magnified 2 diameters. 



Figs. 14, 15. Scalpellum dubium, n. sp. 



Fig. 1 4. Animal, lateral view ; magnified 2 diameters. 



Fig. 15. Animal, seen from the carinal side; magnified 2 diameters 



Figs. 16, 17. Scalpellum antarcticum, n. sp. 



Fig. 16. Animal, lateral view; natural size. 



Fig. 17. Animal, seen from the carinal side; natural size. 



Fig. 1 8. Scalpellum rubrum, n. sp. 



Fig. 18. Animal, lateral view; magnified 6J diameters. 



Fig. 19. Scalpellum hirsutum, n. sp. 



Fig. 19. Animal, lateral view; magnified 6 A diameters. 



Figs. 20, 21. Scalpellum tenue, n. sp. 



Fig. 20. Animal, lateral view; magnified 2 diameters. 



Fig. 21. Animal, seen from the carinal side; magnified 2 diameters 



