BY R. VON LENDENFELD, PH.D. 277 



Genus. FlosGula. 



Elosculidse, with 8 marginal bodies and with 8 adradial 

 tentacles, alternating with the organs of sense. 16 marginal 

 flaps. 



Floscula Promethea. 



Haeckel, System der Medusen. Seite, 536. Tafel, XXXII., 

 figs. 1, 4. 



Umbrella flat, slightly vaulted, 2-3 times as broad as high 

 Exumbrella, with an oetoradiate pigmented star. Marginal flaps 

 nearly pentagonal, as long as broad. Tentacles about as long as 

 the diameter of the Umbrella, Mouth-tube about as long as the 

 radius of the Umbrella, and of the same length as the lancet- 

 shaped curled mouth-arms. 



Size : Breadth of Umbrella, 20 mm. Height, 8 mm. 



Locality : Indian Ocean, in the vicinity of the Cocos Islands. 

 Rabbe. 



Floscula Pandora. 



Haeckel, System der Medusen. Seite, 643. 



Umbrella, semi-spherical, twice as broad as high. Exumbrella, 

 with pigment-star. Marginal flaps oval, 1J times as broad as 

 long. Tentacles as long as the radius of the Umbrella. Manu- 

 brium half as long as the Umbrella radius, scarcely a quarter of 

 the length of the narrow lancet-shaped mouth-arms. 



Size : Breadth of Umbrella, 30 mm. Height, 15 mm. 



Locality : Tropic Zone of the Pacific Ocean. Weber. 



Genus. Floresca. 



Flosculidse with 8 marginal bodies, 24 tentacles and 32 marginal 



flaps. 



Floresca Parthenia. 



Haeckel, System der Medusen. Seite, 538. Tafel, XXXIL, 

 figs. 5, 8. 



Umbrella flat, barrett-shaped, twice as broad as high. Ex- 

 umbrella with a pigment star of 16 rajs. Marginal flaps oval, 

 pointed, broadest in the middle, twice as broad as long. Tentacles 



