PLATE XLII. 



Fio. Page. 



1. Turritella (Haustator) incrassata (.]. Sowerby). Gedgrave. (Harmer 



Collection) ...... 446 



2. Ditto. Little Oakley. (Harmer Collection) . . . 446 



3. Ditto. Casterlien, Antwerp. (Harmer Collection) . . 446 



4. Turritella (Haustator) erthensis, sp. nov. St. Erth. (Cambridge Museum) 451 



5. Turritella (Haustator) incrassata (J. Sowerby). Little Oakley. (Harmer 



Collection) . . . . . .446 



6. Ditto. Little Oakley. (Harmer Collection) . . . 446 



7. Ditto. Scaldisien, Antwerp. (Harmer Collection) . . 446 



8. var. minor, nov. Middle Glacial, Billockby. (Norwich Museum) 448 



9. ditto. Middle Glacial, Billockby. (Norwich Museum) . 448 



10. Turritella (Haustator) vermicularis (Brocchi). Waldringfield. (Ipswich 



Museum) ...... 449 



11. Turritella (Haustator) triplicata (Brocchi). Little Oakley. (Harmer 



Collection) ...... 448 



12. Ditto. Italian Pliocene. (Harmer Collection) . . . 448 



13. Ditto. Little Oakley. (Harmer Collection) . . .448 

 1+. Ditto. Miocene, Touraine. (Harmer Collection) . . . 448 



15. Turritella (Zaria) subangulata (Brocchi). Little Oakley. (Harmer 



Collection) . . . . . .443 



16. Ditto. Little Oakley. (Harmer Collection) . . . 443 



17. var. mediocarinata (de Gregorio). Italian Pliocene. (Harmer 



Collection) ...... 444 



18. Turritella (Haustator) crenulata (Nyst). Oligocene, Belgium. (Cambridge 



Museum) . . . . . .452 



19. Ditto. Little Oakley. (Harmer Collection) . . .452 



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