18 i 
JoAN' M. CliOCKI-OItlJ. 
PLATE TII. 
Figure 1. rojypora fovea sp. nov. : Purt of the celluliferous surface of the 
holotype (No. 20947, Pniv. of Western Australia), x 10. 
Figure 2. Polypora ^vo<}(]si (Ktheridge): Part of the i-elluliferous surface of a 
speciineu from the Nooncanbali Series at Keevie's Well. 8 miles north of 
Mt. Anderson Homestead (No. 20943, University of Western Australia), x 10, 
Figure 3. Polypora fovea sp. nov.: I^’act of the celluliferous surface of a topo- 
type (No. 20940, LTniversity of Western Australia), x 10. 
Figure 4. Polypora multiporifcra s\). nov.: Part of the celluliferous surface of 
the holotype (No. F. 38441, Australian Museum), x 10. 
(Photographs by II. G. Gooch.) 
