28 



Bulletin 27 



148 



Explanation of 

 Plate i (24) 



Fig. 1. Nassa gastrophila, n. sp., 



Ventral view of the type specimen enlarged about iy 2 times 

 2. JVassa smithiana, n. sp., 



Dorsal view, enlarged 2% times. 

 Drillia ecphorce, n. sp., 



Ventral view, enlarged about 2% times. 

 Mitromorpha smithfieldensis, n. sp., 



Type specimen enlarged 6 times. 

 Scala lineata var. magnoliana, n. var., 



Ventral view of type enlarged about 3 times. 

 Drillia smithfieldensis, n. sp., 



Type specimen from Smithfield, enlarged 2.7 times. 

 Cerithiopsis {Heterocerithiopsis) smithfieldensis, n. sp., 



Type specimen enlarged about 6 times. 

 Drillia belloides, n. sp., 



Specimen from Smithfield, enlarged 3 times. 

 9. Scala sheldoni, n. sp., 



Type specimen, enlarged about 6 times. 



10. Drillia magnoliana, n. sp,, 

 Ventral view of type, enlarged 2 l / 2 times. 



11. Drillia magnoliana, n. sp., 

 Dorsal view of a larger specimen, enlarged 2 times. 



12. Drillia gastrophila, n. sp., 

 Type specimen, enlarged about 3 times. 



13. Drillia mcgrawensis, n. sp., 

 Ventral view of type, enlarged about 4 times. 



14. Scala dupliniana, n. sp., 

 Ventral view of type, enlarged about 5 times. 



15 Scala sheldoni, n. sp., 



A smaller specimen, enlarged 6 times 

 16. Drillia gastrophila, n. sp., 



A small specimen showing :he strong carina bordering the suture. 



[2 ( 



132) 



12 ( 



132) 



9 ( 



129) 



16 



(136) 



7 



127) 



16 ( 



136) 



6 ( 



126) 



15 



135) 



8 ( 



128) 



8 ( 



128) 



5 



(125) 



8 ( 



128) 



15 



135) 



15 



135) 



5 ( 



525) 



