BY DR. R. VON LENDENFELD. 244 



Species. Charybdea alata. Reynaud. 



Haeckel, System der Medusen. Seite, 441. 



Charybdea alata. Reynaud, 1830. Lesson's Centurie Zoolo- 

 gique, p. 95. PI. 33. Fig. 1. 



Marsupialis alata. Lesson, 1843. Acalephes, p. 278. 



Tamoya alata. L. Agassiz, 1862. Monogr. Acal. Contrib., 

 IV., p. 174. 



Umbrella conic, about as high as broad. Gastral cavity very 

 small, scarcely half as broad as the Umbrella-radius. Gastral 

 cavity simple. Four Phacelhe simple pencil-shaped, scarcely half as 

 broad as their interstices. The distance of the niches of the sense 

 organs from the margin of the Umbrella is J as great as their 

 distance from the pedal base. Velarium narrow in every quadrant 

 with 6 simple velar canals. Pedalia lancet-shaped, nearly as long 

 as the Umbrella is high, with rather broad wings. 



Colour : Gastral cavity blue, accoi'ding to Eeynaud. 



Size : Breadth of Umbrella, 30 mm. ; height of Umbrella, 

 33 mm ; Ontogenesis unknown. 



Locality : South Atlantic Ocean, Reynaud, South Africa. 

 W. Bleek. 



Genus. Tamoya. Fritz Miiller, 1859. 



Charybdeide, with 4 simple interradial tentacles, pedalia, 

 suspended velarium, (with velar-canals and 4 perradial Frenula,) 

 Gastral cavity large and deep, connected with the Sub-umbrella, 

 by 4 broad perradial mesenteria. Four filament groups of vertical 

 rows of threads, or brush-shaped bands which represent the inter- 

 radial middle-lines of the sides of the Gastral cavity. 



Species. Tamoya haplonema. Fritz Miiller, 1859. 



Haeckel, System der Medusen, Seite, 443, 1879. 



Tamoya haplonema, Fritz Miiller, 1859; Abhandl. Naturf. Ges. 

 Halle. Bat. V, p. 1., Taf. I.. IT. 



Tamoya haplonema, L. Agassiz, 1862 ; Monogr. Acal. Contrib. 

 IV., p. 174. 



