64 Proceedings of the Royal Society of Victoria. 



Fig. 6. — A smaller and somewhat more triangular tail, also of 

 five segments, but with six lateral spines. 



Fig. 7. — Pustular ornamentation of the glabella and fixed 

 cheeks. 



Lakh>ni7ia ? sp. 



Fig. 8. — One or two (?) compressed valves showing a strong 

 septum through the test, also a fine concentric line 

 sculpture. 



Figs. 1, 6, and 7 are magnified twice. 



Fig. 8 highly magnified. 



