PLATE XX. 



Fig. 



1. Heteropora pustiihsa, p. 122. 



2. Mesenteripora meandrina, p. 109. 



8. Patinella proligera, p. 114. 



4, Biscopordla Griononensis,^. 116, 



5, 8. Alecto repens, p. 112. 



6, 7. „ dilatans, p. 112. 



9. Tuhulipora flahellaris, p. 111. 

 10. Diastopora simplex, p. 113- 



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