822 



MR. E. T. BROWNE ON BRITISH MEDUS.t. [Xov. 16, 



Fiff. 7. 



Ij(.r sa/j(dlarum. 

 Diagram showing variation in the branching of the radial canals. 



Fiir. S. 



Lcii- sabellafum. 

 Diagram of a specimen with seven main cauais. 



