PLATE 72. 



The three uppermost figures are of Cassiopea froniiosa and show two varieties 

 of color pattern ot the exumbrella and one view of the subumbrella 

 showing the mouth-arms. 



O 



The seven lower figures are of Cassiopea xamachana showing varieties in 

 color-pattern. The central figure shows the exumbrella of a medusa 

 with its mouth-arms spreading outward. 



Photographed from lite, by the author. The medusae are seen upon a 



sandy bottom. 



