PLATE XI 



RHACHIGLOSSA 



i. Rhizochilus antipathicus, Steenstr. Adult shell 

 attached to Antipathes. 



2. Acanthina imbricata, Lamk. 



3. Murex haustellum, Linn. 



4. Columbella mercatoria, Linn. 



5. Dipsaccus spiratus, Lamk. 



6. Trophon Geversianus, Pallas. 



7. Nassa neritea, Linn. 



8. Nassa arcularia, Linn. 



9. Vasum cornigerum, Lamk. 



10. Engina turbinella, Kiener. 



11. Turbinella pyrum, lAvm. 



12. Fasciolaria tulipa, Linn. 



13. Turricula vulpecula, Linn. 



14. Milra episcopalis, Lamk. 



15. Yetns diadema, Lamk. 



16. Harpa ventricosa, Lamk. 



17. Olivellajaspidea, Gmel. 



18. Oliva porphyria, Linn. 



Other Rhachiglossa are shown on Plate II. , Figs. 4 and 6 ; Plate V., 

 Figs. 6, 12, 13, and 17 ; Plate XXVIIL, Figs. 1 and 2 ; Plate XXXII., 

 Figs. 1 and 12. 



All the rest from drawings by 

 S. P. Woodward. 



