44 



Plate VII 



Unless otherwise stated, figures are natural size. 



Page 



Fig. 1. Stigmatella hybrida. Complete zoarium, X '/2 27 



Fig. 2. Amplexopora solitaria. Complete specimen 17 



Fig. 3. Hallopora cf. onealli. Fragment of zoarium 8 



Fig. 4. Homotrypa streetsvillensis. Complete zoarium of a large specimen 24 



Fig. 5. Homotrypa creditensis. Fragment of zoarium ' 24 



Fig. 6. Eridotrypa cf. simulatrix. Fragments of zoaria 8 



Fig. 7. Hallopora cf . rugosa. Fragment of zoarium 8 



Fig. 8. Stigmatella crenulata. Portion of zoarium 10 



Fig. 9. Heterotrypa simplex maculosa. Portion of zoarium 23 



Fig. 10. Homotrypella dubia. Portion of zoarium 10 



Fig. 11. Strophomena planumbona erindalensis. Portion of surface, X 12 30 



Fig. 12. Strophomena planumbona erindalensis. Cross-section . 30 



Fig. 13. Strophomena varsensis, X 2 31 



Fig. 14. Rafinesquina alternata subcircularis 29 



Fig. 15. Hallopora aequalis. Fragment of zoarium 19 



Fig. 16. Strophomena planumbona erindalensis, X 2 30 



