PLATE XIII. 
Page. 
Palceaster Strutchburii, Eth. fil. ... ... ... ... 73 
Eig. 1. Tho actinial surface exposed, but at the apices of two of the rays the abactinial 
plates are visible. 
Tribrachiocrinus ClarJcei, McCoy ... .. ... ... 90 
Pig. 2. Lateral aspect with the heptagonal basal in view. 
Pig. 3. The opposite side of the calyx, with one of the hexagonal basals visible. 
Pig. 4f. The posterior side exhibiting the two posterior basals, the azygous plate, tbe 
anal plate, and the bottom plate of the ventral tube. 
Portion of a Column ... ... ... ... ... 115 
Pig. 5. Large stem joints illustrative of one form commonly met with in the Permo- 
Carboniferous of the Shoalhaven District. 
Pig. G. Transverse view of the same. 
Pig. 1 , from Eavensfield Quarry, near Parley. 
Pigs. 2-1, „ Waterworks, West Maitland. 
„ 5-G, „ Shoalbaven District. 
