302 THE SCYPHOMEDUSJE OF THE SOUTHERN HEMISPHERE, 



Size : Breadth of Umbrella, 50-60 mm. Height of Umbrella, 

 20-30 mm. 



Locality : East part of the Indian Ocean, near the Cocos 

 Islands, Rabbe ; Sunda Straits, W. W. Wood. 



Species. Mastigias pantherina. 



Haeckel, System der Medusen. Seite, 624. 



Umbrella semi-spherical, with 144 marginal flaps (in each 

 Octant 1 6 narrow rectangular truncate velar flaps, between 2 small 

 lancet-shaped ocular flaps. Arms (without appendage), nearly 

 twice as long as the radius of the Umbrella. The upper arm 

 scarcely as long as the slender three-cornered pyramidal under- 

 arms. Terminal appendage three-cornered prismatic, very thin and 

 long, filiform, 2-3 times as long as the diameter of the Umbrella. 



Colour : Exumbrella (in spirits of wine), dark brown, with 

 numerous and large white spots, which are surrounded by a broad 

 black border. 



Size : Breadth of Umbrella, 50-60 mm. Height of Umbrella, 

 20-30 mm. 



Locality : Tropic Pacific Ocean, Samoa Islands, Museum. 

 Godeffroy. 



Genus. Eucrambessa. 



Crambessidse with free strong upper arm, and strong three- 

 cornered pyramidal under arm, the 3 wings of which possess 

 numerous clublike appendages without frills. Appendages of the 

 suctorial crisps, of the same shape as the terminal gallert knots. 



Species. Eucrambessa Mulleri. 



Haeckel, System der Medusen. Seite, 624. 



Umbrella slightly vaulted, 3 times as broad as high, with 80 

 marginal flaps (in each Octant 8 large quadratic velar flaps between 

 2 small three-cornered ocular flaps.) Arms about as long as the 





