A'INK: N0TE8 ON BKITISH EOCENE TOLYZOA. 
Family Microporid^e. 
12. Micropora gracilis, Munst. sp. 
Family MiCROPORELLiDiE. 
18. Bactridium Hagenowi, Rss. 
Family Myriozoid.e. 
14. Scliizoporella phymatopora, Rss. 
Family Escharidj3. 
15. One species of Eschara only, found in the material. 
Family Selenarid^e. 
16. Cupularia Houzeaui, M. et Perg. 
Sub-order, Cyclostomata, Busk. 
Family Tubuliporid^. 
17. Tubulipora plumula, Rss. 
18. „ dimidiata, Rss. 
Family Entalophorid^. 
19. Pustulopora Corneti, M. et Perg. 
20. Entalophora montensis, M. et Perg. 
Family iDMONEiDiE. 
21. Idmonea concava, Rss. 
22. „ gTacillima, Rss. 
Two other species of Idmonea are in the Author's possession, but 
names are reserved for more complete identification. 
Family Lichenoporid.'E. 
23. Biscoporella Grignonensis, M. Ed. 
24. Lichenopora Defranceiana, Mich. 
Description of Figures. Plate Y. 
(See Text for Localities, &c.) 
1. Dittosaria, Wetherellii, Busk. Natural size and enlarged. 
2. Membranipora Lacroixii, Busk. London Clay, Highgate. 
