128 Notes on the Natural ITistoinj of East Fi)imarh. 



Fig. 8. Porella pri>iceps, Norman. 



Fig. 9, The same, to show the number of blind zoo3cia (" kenozocecia," 



Levinsen) and irregularly shaped zooecia around the ancestrula. 

 Fig. 10. The same, operculimi. 

 Fig. 11. The same, in which the thick outer calcareous wall has been 



removed by acid, and a previously entirely concealed ooecium 



and the oral avicularium have been exposed to view. 

 Fig. 12. Monoporella sjmiulifera, Hincks. A zocBcium which has, like 



the last, been partially decalcified, and an ooecium has been 



brought to view. 

 Fig. 13. Schizoporella vnienfa, Norman. A zooecium which has been 



similarly treated, as the two previous species, with nitric acid, 



and an ooecium of which the existence was previously unknown 



has been brought to light. 

 Fig. 14. Smittia lineata, Nordgaard, 



Fi'f^. lo. The same. Operculum and outline of margin more magnified. 

 Fig. 10. Schizoporella auriculata, llassall. Operculum, for comparison 



with the preceding. 



