EXPLANATION OF PLATE 11 



Fig. 



la. 



Turris monolifera (Cooper). X3. 



Fib. 



lb. 



Turris monolifera (Cooper). X3. 



Fig. 



9 



Turris andersoni, n.sp. X4. 



Fig. 



3. 



Surcula elarki, n.sp. X4. 



Fig. 



4. 



Surcula crenatospira Cooper. X 2. 



Fig. 



5. 



Turris inconstans (Cooper). X4. 



Fig. 



6a. 



Turris suturalis (Cooper). X2. 



Fig. 



6h. 



Turris suturalis (Cooper). X2. 



Fig. 



7 a. 



Turris perkinsiana (Cooper). X2. 



Fig. 



7b. 



Detail of decoration of figure 7a. 



Fig. 



8. 



Drillia ullreyana Cooper. X3. 



Fig. 



9. 



Surcula bolwayi, n.sp. X4. 



Fig. 



10. 



Terebra wattsiana Cooper. X%. 



Fig. 



11. 



Fusinus lineatus, n.sp. X4. 



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