PLATE IX 



A. POLYPLACOPHORA 



i. Acanthopleura spinosus, Brug. 



2. Chiton squamosus, Linn. 



3. Cryptoplax larvaformis (Blainv.) Burrow. 



B. APLACOPHORA 



4. Proneomenia Sluiteri, Hubr. (after Hubrecht) 



5. Neomenia carinata, Tullb. (after Hansen). 



6. Chcetoderma nitidulum, Loven. (after Graff). 



C. PROSOBRANCHIA 



DOCOGLOSSA 



7. Patella vulgata, Linn. ; ventral view, showing 



circle of gills. The foot is shown contracted. 



8. Acmaa testudinalis, Mull. 



9. Patina pellucida, Linn. 



Rhipidoglossa 



10. Fissurella Listeri, d'Orb. 



11. Subemarginula rugosa, Quoy., lateral view. 



12. Subemarginula rugosa, Quoy., showing the interior. 



13. Macroschisma maxima, A. Ad. 



14. Puncturella noachina, Linn. 



15. Theodoxis zebra, Brug. 



16. Clanculus pharaonis, Linn. 



17. Stomatia phymotis, Helbling. 



18. Nerita ustulata, Linn. 



19. Umbonium vestiarium, Linn. 



20. Calliostoma ziziphinus, Linn. 



21. Turbo marmoratus, Linn. 



22. Delphinula laciniata, Lamk. 



23. Phasianella Australis, Gmel. 



24. Bankivia varians, Beck. 



Other Rhipidoglossa are shown on Plate VII., Figs. 1-3, 5-8: 

 Plate XXXII. , Figs. 2-6. 



*„,* Figs. 4 to 6 drawn by Miss G. M. Woodward. All the rest by 

 S. P. Woodward. 



