PLATE V. 



RING SHAPES AND POSITIONS; VOLVA SHAPES. 



FlG. 1. ElNG SUPERIOR, BEOAD. FlG. 6. ElNG PERSISTENT, SOMETIMES MOVABLE. 



2. ElNG MEDIAL, PENDULOUS. 7. VOLVA FEEE. 



3. ElNG INFERIOR (low down). 8. VOLVA SEPARATING, CIRCUMSCIS8ILE. 



4. ElNG NAREOW, FEAGMENTS APPENDICU- 9. VOLVA IEREGULAELY, CIECUMSCISSILE. 



LATE. 



5. ElNG FIBRILLOSE. 10. YoLVA FRIABLE, DISAPPEARING. 



