448 



MEDUSAE OF THE WORLD. 



A synopsis of the genera arranged to indicate their probable phylogenetic affinities is as 

 follows: 



Synopsis of the Genera of the /EgintJa?. 



The problematic "Genus" CUNANTHA Haeckel. 



Cunina (in part), Metschnikoff, 1870, Gesell. Freundc Naturwissen. Moskau (in Russian), p. 362. 

 Cunantha, Hafckel, 1879, Syst. der Medusen, pp. 314, 652. 



Haeckel includes three species within this "genus," but the first two (C. primigenta and 

 C. petasoides) which he describes are apparently very young stages of /Egina. The third 



