PLATE V. 



FIGURES 1-4. Yicarya branneri sp. nov., showing marking of younger 

 forms (V. hijani variety. Magnified 2 diameters V 



FIGURES 5, 6. Vicarya branneri (V. helvetica variety). Adult form, 

 showing aperture. 



FIGURE 7. Vicarya branneri. Mass, showing occurrence of species and 

 variations. 



FIGURES 8-10. Modiola branneri sp. nov. Magnified 2 diameters. 



