BY R. VON LENDENFELD, PH.D. 299 



Species. Crambessa palmipes. 



Haeckel, System der Medusen. Seite, 620. 



Umbrella semi-spherical, twice as broad as high, with 64 marginal 

 flaps. In each Octant 6 square truncate velar-flaps between 2 

 projecting oval ocular-flaps, which are half as long as the former. 

 Exumbrella finely granulated. Arms a little shorter than the 

 radius of the Umbrella. Under-arm triangular-pyramidal, pointed, 

 surrounded by suctorial crisps, twice as long as the short and cylin- 

 drical upper arms, which are connected with a thin membrane. 



Size : Breadth of Umbrella, 40 mm. Height of Umbrella, 20 

 mm. Ontogenesis unknown. 



Locality ; Coast of North Australia, Koch. Museum, Godeflroy. 



Species. Crambessa mosaica. 



Haeckel, System der Medusen. Seite, 622. 



Cephea mosaica. Quoy et Gaimard, 1827. Voyage de l'Uranie, 

 Zoologie, p. 569, pi. 85, fig. 3. 



Rhizostoma mosaica. Eschschokz, 1829. System der Acalephen, 

 p. 53. 



Rhizostoma mosaica. Huxley, 1849. Philosoph. Transact., 1849. 

 pp. 422, 432, pi. 38, figs. 26, 27 ; pi. 39, figs. 28-34. 



Catostylus mosaicus. L. Agassiz, 1862. Monogr. Acal. 

 Contrib. IV., p. 152 



Catostylus mosaicus. Grenacher und Noll, 1876. Abhandl. 

 Senkenberg, Ges. Bd. X., p. 38. 



Catostylus "Wilkessii. L. Agassiz, 1862. Monogr. Acal. 

 Contrib. IV, p. 152. 



Crambessa mosaica. Von Lendenfeld, 1883. Zeitsch, f. wiss. 

 Zool. Bd., 38. 



Umbrella slightly vaulted, nearly semi-spherical, 2-3 times as 

 broad as high, with numerous narrow marginal flaps. (To 200 1 

 about 24 velar flaps on each Octant). Sides of the gastrogenital- 

 cross nearly rectangular. The same breadth at the distal, and 

 at the proximal end ; mouth-arms a little shorter than the 

 diameter of the Umbrella. Under-arm conic, pointed below 



