BY DR. R. VON LENDENFELD. 233 



Mitroconia. Haeckel. 

 Eutiminiu. Haeckel. 

 Eutima. McCrady. 

 Saphenia. Eschsckoltz. 

 Eutirueta. Haeckel. 

 Eutimalplaes. Haeckel. 

 Octorckidium. Haeckel. 

 Octorckis. Haeckel. 

 Octorchandra. Haeckel. 

 Irenium. Haeckel. 

 Irene. Escksckoltz. 

 Tima. Escksckoltz. 



IV. SUB-FAMILY. EUCOPELLIN.E. Von Lendenfeld. 



Medusa without stomach, highly developed organs of sense, no 

 tentacles, eight marginal vesicles. Four radial canals, which send 

 branches into the Gonads. 



Alimentary Zooid, with 32 tentacles and a Perisarc. Blastostyl 

 consisting of four radial tubes, between which the Medusae bud. 



Ova formed as in the Conipanularinse in the Hydrorhiza. 



SCHEMA : 



Ovum 



I 

 Medusa 



I 

 Poly Blastostyl 



V 



Hydrorhiza 



I 

 First Polyp 



I 

 Ovum, 



Eucopella. Von Lendenfeld. 



