EXPLANATION OF PLATES. 

 All figures are photographs of the types. 



Plate 1. 



Page. 



Fig. 1. TurboniUa (Pyrgiscus) himerta 27 



2. Odostomia (Evalea) ithea 31 



3. Odostomia (Chrysallida) gomphina 29 



4. Odostomia (Chrysallida j scelera 30 



5. Odostomia (Evalea) manca 32 



6. TurboniUa (StrioturboniUa) pecora 24 



7. Odostomia (Ivara) amava 29 



8. Odostomia (Evalea) fiteUa 33 



9. TurboniUa (Pyrgolamprosj idae 26 



10. Odostomia (Evalea) tersa 31 



11. TurboniUa (Pyrgolampros) colliseUa 25 



12. TurboniUa (Mormula) epiphanea 28 



13. Odostomia (Amaura) sanesia 34 



38 



