286 THE SCYPHOMEDQSJS OF THE SOUTHERN HEMISPHERE, 



Genus. Cepliea. 



Toreumidse, with eight bifurcated mouth-amis, the branches of 

 which are simple and not dichotomous. The upper arm does not 

 extend beyond the bifurcation. Between the suction crisps 

 numerous filaments. 8 broad ocular canals, between which there 

 are numerous narrow radial canals. Without ring canal. 8 

 marginal bodies. 



Species. Cephea fusca. 



Haeckel, System der Medusen. Seite, 575. 



Cephea fusca. Peron et Leseur, 1809. Tableau des Meduses, 

 p. 361. 



Cephea fusca. Eschscholtz, 1829. System der Acalephen. 

 Seite, 57. 



Cassiopea fusca. Dussumier, 1835. Mus6e. du Jardin des 

 plantes. Nr. 111. 



Polyrhiza fusca. L. Agassiz, 1862. Monogr. of Acalephte. 

 Contrib. to the Nat. Hist, of the U.S.A., Vol. IV., p. 156. 



Umbrella cap-shaped. Central dome flat, vaulted. Covered 

 with 16 or 20 large conic excrescences. Divided from the thin 

 margin of the Umbrella by a deep circular furrow. In every 

 Octant 8 flaps which appear as secundary flaps of one large 

 primary one which lies between the two ocular flaps. The two 

 flat branches of the under arm three times as long as the simple 

 upper arm. They do not reach to the margin of the Umbrella. 

 Filaments numerous decreasing in size centrifugally. The longest 

 as long as the Umbrella radius. 



Colour : Umbrella, dark brown. Exumbrella with 8 white 

 radial stripes. Arms yellowish,, filaments white. 



Size : Breadth of Umbrella, 150 mm. ; height, 30 mm. 



Locality : N. W. coast of Australia, de Witt's land. Peron et 

 Leseur. Malabar. Dussumier. 



Species. Cephea conifera. 



Haeckel, System der Medusen. Seite, 576. Tafel, XXXVI., 

 figs. 3-6. 



