PLATE XXIII. 



Fig. i. Maxilla of Cancellaria crenifera Sow. 



Fig. 2. Teeth of radula of Mitra Mariae A. Ads. 



Fig. 3. Teeth of radula of Mitra crenifera Lam. 



Fig. 4. Teeth of radula of Mitra coriacea Rve. 



Fig. 5. Teeth of radula of Strigatella paupercula Lin. 



Fig. 6. Teeth of radula of Turricula vulpecula Lin. 



Fig. 7. Teeth of radula of Tnrricula cruentata Chemn. 



Fig. 8. Teeth of radula of Turricula spicata Rve. 



Fig. 9. Teeth of radula of Fusus Thielei n. sp. 



Fig. 10. Teeth of radula of Fusus chrysodomoid.es n. sp. 



Fig. 11. Teeth of radula of Chrysodomus (Sip/10) Smitlii n. sp. 



Fig. 12. Teeth of radula of Plios roseatus Hinds. 



