BY R. VON LENDENFELD, PH.D. 261 



Species. Palephyra antiqua. 



Haeckel, System der Medusen. Seite, 484. 



Umbrella nearly semi-spherical, with thick convex central disk, 

 flat spread margin of disk, twice as high as broad. Marginal flaps 

 narrow, oval, pointed, about half as long as the radius of 

 brella. Tentacles as long as the radius of the Umbrella. 4 Gonads 

 horse-shoe shaped with thin median arches and thickened lateral 

 part. On each Gonad 6-8 thin Gastral filaments. Manubrium 

 nearly cubic, hardly half as long as the radius of the Umbrella, 

 without mouth flaps. 



Size : Breadth of Umbrella, 20 mm. Height of Umbrella, 

 8 mm. 



Locality : Indian Ocean, to the East of Madagascar. 



Genus. Zonephyra. 



EphyridsB with eight marginal bodies and 8 tentacles, 16 

 marginal flaps, and 32 flap-pouches (16 ocular and 16 tentacular) 

 and 4 interradial horse-shoe shaped Gonads. 



Species. Zonephyra connectens. 



Haeckel, System der Medusen. Seite, 641. 



Umbrella flat orbicular with deep circular furrow. Manubrium 

 as long as the diameter of the Umbrella, split into 4 oval triangular 

 curved mouth-flaps in the distal third. 16 marginal flaps, nearly 

 pointed, \ as long as the radius of the Umbrella. 8 tentacles 

 about as long as the radius of the Umbrella. 4 Gonads horse-shoe 

 shaped, two flapped. 



Size : Breadth of Umbrella, 10 mm. Height of Umbrella, 

 3 mm. 



Locality : Tropic zone of the Pacific Ocean. Weber. 



Genus. Nauplianta. 

 Ephyride with 8 marginal bodies and 8 tentacles. "With 16 

 marginal flaps and 32 flap-pouches. (16 ocular and 16 tentacular), 

 and 8 separate adradial Gonads, which are in regular groups, but 

 not in pairs. 



