BY R. VON LEXDENFELD, PH.D. 289 



Colour : Pale rose-coloured Gonads ; marginal flaps and 

 auction crisps, deep rose-coloured. 

 Size : Not mentioned. 

 Locality : Tropic zone of the Atlantic. Reynaud. 



Genus. Lychnorhiza. 



Pilemidae without scapulets, with 8 free triangular pyramidal 

 aims. The wings bear on their free margin numerous thick suction 

 crisps and filaments. 



Species. Lychnorhiza lucerna. 



Haeckel, System der Medusen. Siete, 587. Tafel, XXXIV. 



Umbrella flat. Every Octant with 4 large pointed oval 

 velar, and 2 small triangular ocular flaps. Arms nearly as long 

 as the diameter of the Umbrella. Upper arm ^ as long as the 

 lower arm. Laterally compressed and extending below to a broad 

 triangular shoulder-flap. Lower arm triangular pyramidal, with 

 2 very broad and much flapped doi-sal wings, and one smaller 

 ventral wing. Suction crisps much flapped with numerous long, 

 ribbon-shaped filaments. 



Size : Diameter of Umbrella, 120-150 mm. Height, 50-60 mm. 



Locality : Rio de Janeiro. Von Martens. 



Genus. Eupilema. 



Pilemidae with 8 pair of scapulets, and with free triangular 

 pyramidal lower arms. The three wings of these bear suction 

 crisps on their free mai'gins, but no other appendages. Without 

 terminal bulbs. 



Species. Eupilema scapulare. 



Haeckel, System der Medusen. Seite, 590. 



Umbrella flat hat-shaped, with vaulted dome. In every Octant 

 8 pair rectangular, narrow and long truncate velar flaps. The 16 

 intra-circular canal nets touch the distal basis of the mouth-pillars 

 Stem of disc cubic, narrow, not broader than the pillars. Arms 



