Tertiary Polyzoa of Victoria. 27 



Fic^. 8a. the same, thyrostorae. 



8^. the same, side view of zooecium. 



9. Mucronella conica. 



9^. Mucronella thyrostome. 



Plate II. 



10. Porella angustata. 



„ 11. Mucronella irregularis. 



12. Mucronella airensis. 



„ 13. Mucronella personata. 



14. Trigonopora vermicularis. 



„ 15. Poi'ina tuberculata. 



16. Lagenipora morningtoniensis. 



,, 17. Lagenipora airensis. 



18. Lekythopora mooraboolensis. 



„ 19. Lekythopora kitsoni. 



20. C?) Porella minutissima. 



Fias. 1 to 19 magnified about 12 diameters. Fig. 20 about 25, 



