A MONOGRAPH OP THE TERTIARY POLTZOA OP VICTORIA. 135 



Zoarium stipitate, branched; the branches horizontal with short lateral 

 secondary branches. Zocecia arranged in continuous raised clusters along the 

 centre of the upper surface of the branches. Dorsal surface with distinct 

 longitudinal and reticulated ridges. 



B. Recent locality unknown? Australia. (Busk). 



Discotubigera, D ' Orb. 



1. D. gambierensis, Waters. PI. XXII., figs. 8, 9. 

 (For description see Appendix.) 



