PLATE 7. 



COLLOSPH^RIDA. 



Fig. 1. Caminosphcera dendrophora, n. sp., 



Fig. 2. Caminosphcera dichotoma, n. sp., 



Fig. 3. Coronosphcera diadema, n. sp.. 



Fig. 4. Coronosphcera calycina, n. sp., 



Fig. 5. Otosphcera auriculata, n. sp., . 



Fig. 6. Otosphcera polymorpha, n. sp., 



Fig. 7. Solenosphcera serpentina, n. sp., 



Fig. 8. Solenosphcera cornucopia, n. sp., 



Fig. 9. Solenosphcera ascensionis, n. sp., 



Fig. 10. Solenosphcera pandora, n. sp., 



Fig. 11. Solenosphcera pandora, n. sp., 



An entire spherical ccenobium. The shells of the colony bear a variable 

 number of fenestrated radial tubes and are densely crowded in the 

 jelly-sphere of the calymma, the cortical zone of which is radially striped. 



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