BY R. VOX LENDENFELD, PH.D. 



291 



Upper arm about as long as the lower arm. Terminal bulb adnate, 

 triangular, pyramidal with toothed edges, half as long as the upper 

 arm. 



Size: 200-300 mm., the diameter of the Umbrella, and 80-100 

 mm. in height. Q) 



Locality : Table Bay, Cape Town. Quoy et Gairnard. 



Genus. Rhojnlema. 



Pilemidre with 8 pair of scapulets and with 8 free triangular, 

 pyramidal lower arms. The three wings bear on their free margin 

 between the suction crisps numerous club-shaped appendages of 

 similar shape as the terminal bulbs. 



Species. Rhopilema rhopalophora. 



Haeckel, System der Medusen. Seite, 596. 



Umbrella, hat-shaped, in every Octant 16 narrow rectangular 

 velar flaps between two short lancet-shaped ocular flaps. Scapulets 

 as long as the free part of the upper arms, half as long as the 

 lower arm. On the free margin of the three wings there are 

 between the flapped suction crisps numerous triangular pyi-amidal 

 gallert bulbs of the same shape as the larger terminal bulb of the 

 arms. 



Size : Diameter of Umbrella, 100 mm. Height, 50 mm. 



Locality : To the East of Madagascar. Itabbe. 



Genus. Brachiolophus. 



Pilemidaj with 8 pair of scapulets and with dichotomous branched 

 lower arms, which coalesce at their base with their lateral margins, 

 but otherwise remain free. The coecal thick-walled Manubrium 

 does not reach as far down as the first bifurcation of the arms. 



Species. Brachiolophus collaris. 



Haeckel, System der Medusen. Seite, 597. 

 Umbrella semi-spherical, twice as broad as high. In every 

 Octant 8 quadratic velar flaps between two oval ocular flaps. 



