DESCRIPTIVE CATALOGUE OF THE 



54. Genus EUCOPELLA. V. Lendenfeltl. 



Colony consisting of a hydrorhiza from which simple unbranched stems rise 

 up. (89.) 



166. Eucopella campanula. Y. Lendenfeld. (89), (95) 607. 



South coast of Australia (Port Phillip). East coast of Australia (Port 

 Jackson). 



V. Sub-familia ACQUORINJE. V. Lendenfeld. 



= ACQUORIDJE. Eschscholtz. 

 With marginal vesicles, and numerous, often branched, radial canals. 



55. Genus ZYGOCANNA. Haeckel. 



Stomach sessil, broad and long. Margin of mouth split into two numerous 

 folded mouth-flaps. 



167. Zygocanna costata. Haeckel. (50) 211, (95) 60S. 

 Northern limit (New Guinea). 



168. Zygocanna pleuronota. Haeckel. (50) 215, (95) 609. 



Jilquorea pleuronota (102) pi. XI, fig. 30G, (115) 338. 

 Polyxenia pleuronota (37) 119. 

 North coast of Australia (Arnheim's Land). 



56. Genus ZYGOCANN ATA. Haeckel. 



-/Equorida- with twelve dichotom. Radial canals crispshaped. Gonads in 

 the shape of composed branches at the terminations of the twenty-four branches. 

 Stomach broad and flat without stalk. Mouth wide. Margin of mouth simple, 

 without flaps or frills. 



169. Zygocannata purpurea. Haeckel. (50) 215, (95) 609. 



^quorea purpurea (2) IV, 360 (31), pi. 43, fig. 3 (102), pi. XI, tijjs. 1, 

 2(115), 337. 



Polyxenia purpure.a Eschscholtz (37) 119. 

 West coast of Australia (Endrachts Land). 



57. Genus ZYGOCANNULA. Haeckel. 



^Equorida3 with numerous dichotome radial canals. A gonad on each 

 branch. Stomach, at the termination of a large conic stalk, split up into 

 mouth-flaps. The splits reach nearly to the stalk. Mouth-flaps large and 

 folded. 



170. Zygocannula diploconus. Haeckel. (50) 210, (93) 610. 

 Northern limit (Sundasea). 



171. Zygocannula undulosa. Haeckel. (50) 217, (93) 610. 



^Eqiiorea undulosa (102) pi. XII., figs. 1-4 (115) 338. 

 Polyxenia undulosa (100) 314. 

 North coast of Australia (Arnheim's land). 



