PLATE XVIII. 



Fig. 



1. Pusiulopora subverticellata, p. lOS. 



2. „ palmata, p. 108. 



3. Tuhulipora Jlabellaris, p. 111. 



4. Mesenteripora meanarina, p. 109. 



5. Discoporella hispida, p. 115. 



6. Tuhulipora phalangea, p. 111. 



