272 THE SCYPHOMEDUS.E OF THE SOUTHERN HEMISPHERE, 



the Umbrella pentagonal. 8 tentacles simple, strong, and larger 

 than the diameter of the Umbrella. A good distance from the 

 margin of the Umbrella. 



Size : Breadth of Umbrella, 40 mm. Height of Umbrella, 

 14-18 mm. Ontogenesis unkown. 



Locality : Indian Ocean, to the East of Madagascar. Rabbe. 



Genus. Medora. 

 Cyaneide, with 8 marginal bodies, and 24 tentacles on the Sub- 

 umbrella : 3 on the lower side of every flap. (Umbrella, with 8 

 main flaps and 16-32 secundary flaps.) 



Species. Medora reticulata, 



Haeckel, Das System der Medusen. Seite, 525. 



Medora reticulata — (et capensis?) — Couthouy, 1862. Manu- 

 script of Wilke's, U.S. Exploring Expedition. 



Medora capensis — (reticulata?) — L. Agassiz, 1862. Monogr. 

 Acal. Contrib., IV., p. 118-163. 



Umbrella slightly vaulted, orbicular, mouth-arms ? Gonads ? 

 Margin of Umbrella with 32 Haps, 8 pairs of narrow ocular flaps, 

 and 8 pairs of broad tentacle-flaps. The margin of the 8 tentacle 

 pouches with 2 broad flaps and 3 tentacles, (1 medial tentacle 

 between two flap pouches and with two lateral flaps at its outer- 

 margin.) 



Locality : Coast of Terra del Fuego, Orange Harbour, Cape 

 Horn. Couthouy. 



Genus. Stenoptycha. 



Cyaneidse with 8 marginal bodies and 40 tentacles on the Sub- 

 umbrella, 5 on the under side of each tentacle flap. Umbrella 

 with 8 main flaps and 16-32 secondary flaps. 



Species. Stenoptycha rosea. 



Haeckel, System der Medusen. Seite, 525. 



Stenoptycha rosea. L. Agassiz, 1862. Monogr. Acal. Contrib. 

 IV., p. 162. 



Cyanea rosea. Quoy et Gaimard, 1827. Voyage de l'Uranie 

 etc., Zoologie, p. 570, pi. 85, fig. 1, 2. 



