BY DR. R. VON LENDENFELD. 247 



Species. Tamoya gargantua. Haeckel. 



Haeckel, System der Medusen. Seite, 444. 



Beroe gai'gantua, Lesson, 1829 ; Voyage de la Coquille, Zoo- 

 phytes, p. 261, pi. XV., fig. 1. 



Epomis gargantua, Lesson, 1S43, Acalephes, p. 262. 

 Umbrella quadrangular-pyramidal, twice as high as broad. 

 Diameter of the opening of the Umbrella 3 times as large as that of 

 the stubbed summit. Exumbrella with 16 deep longitudinal furrows, 

 by which 16 convex divisions of nearly the same breadth are 

 formed. Gastral cavity nearly globular, occupying the upper 

 third of the Sub-umbrella cavity, 4 Phacelke, simple interradial 

 rows of threads along the sides of the Gastral cavity. Velarium 

 broad, with numerous, dense slightly branched canals. Pedalia 

 nearly sickle-shaped, with broad convex abaxial wings, narrow 

 concave abaxial-wings, \ as long as the Sub-umbrella cavity. 



Size : Breadth of Umbrella 80-100 mm. ; height, 200 mm. 

 Ontogenesis unknown. 



Locality : Tropical part of the Pacific Ocean, Tahiti, Lesson, 

 Samoa, Weber. 



Family. Chirodropidce. Haeckel, 1879. 

 Cubomeduste, with 4 interradial tentacle-bundles and 4 

 perradial marginal bodies ; with 16 marginal pouches in the 

 marginal flaps of the velarium and 8 umbral arms in the 4 radial- 

 pouches. 



Genus. Chirop>salmus. L. Agassiz, 1862. 



Chirodropidag, with 8 simple finger-shaped pouch-arms on the 

 Umbrella-wall of the 4 radial-pouches, with 4 hand-shaped 

 Pedalia, which possess numerous tentacles, and with S leaf- 

 shaped Gonads. 



Species. Cliriropsalmus zygonema. Haeckel. 

 Haeckel, System der Medusen. Seite, 641. 

 Umbrella quadrangular pyramidal, stubbed above, 1^ times 

 as high as broad, with the suspended velarium. Mouth-tube 

 small, with 4 flaps, half as long as the roundish Gastral- 

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