TAB. IX. 



Fig. 



1. Litiopa papillosa, page 88. 



a. front view. 



b. back view. 



2. Pyramidella laeviuscula, p. 77. 



a. front view. 



b. back view. 



3. Odostomia plicata, j. 85. 



a. front view, var. a. 



b. front view, var. )3. 



4. Odostomia pellucida, p. 86. 



0. front view. 

 b. back view. 



5. Odostomia pupa, p. 86. 



. back view. 

 b. front view. 



6. Odostomia similima (?), p. 87. 



a. front view. 

 #. back view. 



Fig. 



7. Turritella incrassata, j. 75. 



. front view, var. a, triplicata, 

 from Coralline Crag. 



b. 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, p. 76. 



8 a. magnified portion. 



9. Turritella communis, p. 74. 



a. back view, var. from Mamma- 



liferous Crag. 



b. front view, var. from Red Crag. 



10. Turritella imbricataria, p. 75. 



a. back view. 



b. back view of eroded specimen. 



11. Turritella planispira, p. 76. 



The lines indicate the size of the specimens. 



