Fig. 



17. BATAvus, sp. 9, Spengler? — Hal). Batavia. 



18. Sadlii, sp. 15, Wright, MS. Brit. Mus. — Callao Bay. 



19. DENTicuLATA, sp. 7, Ovay, MS. Brit. Mus. — Hab. — ? 



Genus KuPHUS, Grcq/. 



Serpula, Linn. Furcella, Oken. Septaria, Lamk. 



20. GiGANTEus, sp. 1, Linnceus.* — arenata, Lamk. — 3i 



inches long. 



21. CLAUsrs, sp. 2, Sowb. Keeve's C. Icon. — 15 inches long-. 



* In this nomeuclature following the Messrs. Adams. 



