PLATE V. 

 Figs. 1. 2. Scalpellum darwinii, n. sp. 



Fi^. 1. Animal, lateral view; natural size. 



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



Figs. 3, 4. Seal pell um moluccanum, u. sp. 



Fig. 3. Animal, lateral view; natural size. 



Fig. i. Animal, seen from tlie carinal side; natural size. 



Figs. 5, 6. Scalpellum regium (Wyv. Thorns.), n. sp., var. ovale. 



Fig. 5. Animal, lateral view; natural size. 



Fig. 6. Animal, seen from the carinal side; natural size. 



Figs. 7, 8. Scalpellum novce-zelandice, n. sp. 



Fig. 7. Animal, lateral view; magnified G diameters. 



Fig. 8. Animal, seen from the carinal side; magnified G diameters. 



Figs. 9, 10. Scalpellum tritonis, n. sp. 



Fig. 9. Animal, lateral view; magnified 6 diameters. 



Fig. 10. Animal, seen from the carinal side; magnified G diameters. 



Fig. 11. Scalpellum australicum, n. sp. 



Fig. 11. Animal, lateral view; magnified 3A diameters. 



Fig. 12. Scalpellum minutum, n. sp. 



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



Fig. 13. Scalpellum truncatum, n. sp. 



Fig. 13. Animal, lateral view; magnified 5 diameters. 



Fig. 14. Scalpellum vitreum, n. sp. 



Fig. 14. Animal, lateral view; magnified 6 diameters. 



Fig. 15. Scalpellum balanoides, n. sp. 



Fig. 15. Group of animals attached to an arm of a Pentacrimts . magnified G diameti rs. 



