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PLATE 8. 



COLLOSPH/ERIDA. 



Acrosphcera echinoides, n. sp., 

 Acrosphcera collina, n. sp., 

 Chcenicosphcera nassiterna, n. sp., 

 Chcenicosphcera murrayana, n. sp., 

 Chosnicosphcera Jiammabimda, n. sp. 

 Clathrosphcera circumtexta, n. sp., 

 Clathrosplvjera arachnoides, n. sp., 

 Clathrosphcera lamellosa, n. sp., 

 Xanthiosphcera erinacea, n. sp., 

 Xanthiosphcera lappacea, n. sp., 



Xanthiosphcera lappacea, n. sp., 



A complete spherical ccenobium. The associated central capsules (each 

 with a double shell) are densely crowded in the central part of the 

 calynnna, whilst its peripheral part is occupied by a layer of large 

 alveoles. Numerous xanthellse or yellow cells are scattered in the 

 calymma. 





Diani. 



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