88 
Plate II 1 
Dianulites rocklandensis n. sp. 
Figure 1. Specimen illustrating wall structure and diaphragms. (Page 47.) 
Figure 2. Tangential section showing the granular walls. (Page 47.) 
NicholsoneUa ottawaensis n. sp. 
Figure 3 . Specimen showing wall structure. (Page 47.) 
Figure 4. Tangential section, the portion to the right being cut deeper 
than the darker piece to the left. (Page 47.) 
Escharopora frondosa n. sp. 
Figure 5 . Vertical section, exhibiting a slight irregularity. (Page 48.) 
Figure 6. Tangential section. (Page 48.) 
Batostoma winchelli (Ulrich) 
Figure 7. Tangential section. 
Figure 8. Vertical section. 
Prasopora grandis (Ulrich) 
Figure 9. Tangential section. 
Figure 10. Vertical section. 
Pachydictya acuta (Hall) 
Figure 11. Tangential section. 
Figure 12. Vertical section. 
Hemiphragma tenuimurale Ulrich 
Figure 13. Vertical section. 
Figure 14. Tangential section. 
*A11 bryozoa are magnified ten diameters, all others natural size except 
where magnification indicated. 
