Claustula fischeri



Caption: TEXT-FIGS. 1-6. 1. Volva, transverse section showing pellicle and mucilaginous layers. x 440. 2. Receptaculum, transverse section. x 1 1/2. 3. Mesh of receptaculum. x 440. 4. Hymenial chambers on inner surface of receptaculum. x 440. 5. Surface view