Plate V. 



Figures 1—4. — Vicarya branneri sp. nov., showing marking of younger 

 forms (V. lujani variety. Magnified 2 diametei's^. 



Figures 5, G. — Vicarya branneri (V. helvetica variety). Adult form, 

 showing aperture. 



Figure 7.— Vicarj'a branneri. Mass, showing occurrence of species and 

 variations. 



Figures 8-10. — Modiola branneri sp. nov. IMagnified 2 diameters. 



