306 THE SCYPHOMEDUS.E OF THE SOUTHERN HEMISPHERE. 



Species. Leonura terminalis. 



Haeckel, System der Medusen. Seite, 696. 



Umbrella slightly vaulted with 80 marginal flaps. In each 

 Octant 8 pointed 3-cornered velar flaps between 2 small divergent 

 ocular flaps. Sub-genital-ostia 3 times as broad as the pillars 

 between. Mouth cross of the brachial disc with regular frill with 

 8 rays. Arms not very long, ribbon-shaped, about as long as the 

 diameter of the Umbrella, with a tassel-shaped bundle of frills, 

 which surround a 3-cornered, projecting terminal knot. 



Size ; Breadth of Umbrella, 80 mm. Height of Umbrella, 

 20 mm. 



Locality ; Pacific Ocean, " Challenger " Expedition. "Wy ville 

 Thomson. 



Explanation of Plates. 



Plate III. — Pseudorhiza aurosa, von Lendenfeld, painted from life, 0*5 

 natural size. 



Plate IV. — Phyllorhiza punctata, von Lendenfeld, painted from life, 5 

 natural size. 



