PLATE XXXI. 



Figure 1. Echinolampas, sp. Junior (page 174). Abactinal view of the test^ natural size. 



2. Actinal view of the test, natural size. 



3. Longitudinal profile of the test, natural size. 



4. Abactinal area, showing the petals, magnified. 



5. The peristome and surrounding portions of the test, magnified. 



6. Echinolampas lepadiformis, Duncan and Sladen (page 172). Abactinal view of the 



test, natural size. 



7. Actinal view of the test, natural size. 



8. Longitudinal profile of the test, natural size. 



9. Abactinal area, showing the petals, magnified. 



10. The peristome and surrounding portions of the test, magnified. 



11. EoLAMPAs ExcENTKicus, Duucau and Skdcu (page 150). Abactinal view of the test, 



natural size. 



12. Actinal view of the test, natural size. 



13. Longitudinal profile of the test, natural size. 



14. Abactinal area, showing the petals, magnified. 



15. The peristome and surrounding portions of the test, magnified. 



