36 DESCRIPTIVE CATALOGUE OF THE 



46. Genus OCTORHOPALON. V. Lendenfeld. 



Thaumantinne with large rnai^ginal clubs in the interradii. No marginal 

 cirri, eight tentacles, the perradial ones larger than the others. Gonangia 

 along the whole length of the canals, join centripetally. 



155. Octorhopalon fertilis. V. Lendenfeld. (98). 

 East coast of Australia (Port Phillip). 



II. Sub-familia CANNOTINJE. V. Lendenfeld, 1884. 

 CANNOTID^E. Haeckel. 



Leptomedusa- without marginal vesicles, with branched radial canal. 



47. Genus CANNOTA. Haeckel. 



Cannotina; with four radial canals from each of which two branches 

 originate, so that twelve terminations occur on each of which there is a 

 gonad. 



156. Cannota dodecantha. Haeckei. (50) 151, (95) 600. 

 Northern limit (New Guinea). 



48. Genus CLADOCANNA. Haeckel. 



Cannotidse, with six dichotomously branched radial canals. All branches 

 (about 48) extend to the ring-canal. Numerous gonads in the distal part of the 

 branch canal. 



157. Cladocanna thalassina. Haeckel. (50) 160, (95) 600. 



^'Equorea thalassina. (81) 497. 



Berenice eachroma. (2) IV, 345, (15) 276, (31) pi. 53, fig. 2. 

 Berenice thalassina. (2) IV, 345, (37) 120, (120) 327. 

 North coast of Australia (Arnheim's Land). 



158. Cladocanna polyclada. Haeckel. (50) 161, (95) 601. 

 Northern limit (New Guinea). 



III. Sub-familia EUCOPINJE. V. Lendenfeld, 1884. 

 EUCOPIDJE. Gegenbaur. 



Leptomedusa? with marginal vesicles, and four simple radial canals, 

 Polypcolonies mostly consisting of a creeping hydrorhiza, from which either 

 simple hydrocauli arise, or high more or less branched stems. Terminal the 

 hydrocauli extend to form chitinous cups around the alimentary zooids. 



49. Genus EUCOPE. Gegenbaur. 



Eucopinte with eight marginal vesicles, eight tentacles, no marginal cirri, no 

 stalk to the stomach, and four gonads. Polyps with radial hydrotheca 1 ; 

 meduspe produced on polypostyles. 



