Journal Royal Society of M.S. W '., Vol. XL V., 1911. Plate XI. 



2. 



Fig. 1 — Gonularia cf. laevigata, Morris. Lateral view of specimen, 

 natural size, with portion near the aperture removed. 



„ 2 — The portion of Fig. 1, removed, showing the nature of the orna- 

 mentation on the interior of the aperture. 



„ 3 — The same specimen. View of the aperture, showing the infold- 

 ing of the walls. 



