TAB. IX. 



Fig. 



1. Litiopa papulosa, pa(/e 88. 



n. front view. 

 h. back view. 



2. Pyramidella l8eviuscula,jy. 11. 



a. front view. 

 h. back view. 



3. Odostomia plicata, y-i. 85. 



a. front view, var. a. 

 h. front view, var. /3. 



4. Odostomia pellucida, 7;. 86. 



a. front view. 

 h. back view. 



5. Odostomia pupa, 7J. 86. 



«. back view. 

 h. front view. 



6. Odostomia similima (r),/;. 87. 



«. front view. 

 h. back view. 



Fig. 



7. Turritella incrassata,^^. 75. 



«. front view, var. o, triplicata, 



from Coralline Crag. 

 h. front view, var. /3, vermicularis, 

 from Red Crag. 



c. front view, var. a, triplicata, 



from Red Crag. 



d. front view, var. y, bicincta. 



8. Turritella clathratula, 7;. 76. 



8 a. magnified portion. 



9. Turritella communis, jo. 74. 



a. back view, var. from Mamma- 



liferous Crag. 

 h. front view, var. from Red Crag. 



10. Turritella imbricataria,7;. 75. 



a. back view. 



h. back view of eroded specimen. 



11. Turritella planispira,^;. 76. 



The lines indicate the size of the specimens. 



