55 



EXPLANATION OF PLATES 15, 16, 17, 18. 

 PLATE 15. 



Fig. 1. Monocerog armigerus 



8. vcstustus 



2. Melougena alveata 



4. Hostellaria laqueata 



5. velata 



6. Pyrula tricarinata 



7. Couus sauriik-ns 



Fig. 1. Voluta Sayana 



2. Voluta pctrosa 



3. Oliva Aluliiiiucnsis 



4. Oliva bombylin 



5. Ancillaria tencra 



6. Ancillaria lymncoides 



7. Mitra pcrexilis 



8. fusoidcs 



9. Voluta prisca 



10. Canccllaria gcmmata 



11. Mitra bolaris. 



Fig. 1. Turbinella pnutenuis 



2. Siliquaria vitis 



3. Solarium ulveatum 



4. flaboratum 



5. exacuum 



0. stalagmium. 



7. funginum 



8. amoinuiu 



9. patulum 



10. tricostatuui 



11. cancellatum 



Fig. 1. FUSUS tr;il if; i tits 



2. iuauratus 



3. papillatus 



4. limulus 



5. perlatus 



6. tlioraeicuM 



7. protextus 



8. raphunoitles 



Fig. 



8. Emarginula arata 



9. Fissurellatenebrosa 



10. Dentalium thalloidea 



11. Turritella Mortoni 



12. Turritella obruta 

 18. Turritella vctusta 

 14. Bullagalba 



PLATE 16. 



12. Marginella larvata 



13. crassilabra 



14. humcrosa 



15. constricta 



16. columba 



17. Crcpiilula lirata. 



18. lufuiulibulum thochiformis 



19. Cancellaria alveata 



20. Crepidula dumosa 



21. Mitra puctilis 



PLATE 17. 



Fig. 12. Solarium lineatum 

 13. Pleurotoma alteruata 

 14. 



PLATE 18. 



Fig. 



9. liauellu Maclurii 



10. Fusus irrasus 



11. bellus 



12. thalloides 



13. ' salebrosus 



14. stamiueus 



15. Cooperi 



[in] 



