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DEPARTMENT OF THE NAVAL SERVICE 



Campanularia gelatinosa (Pallas). 



Trophosome. Stem and main branches fascicled; 

 height 25 cm.; branchlets numerous, whitish, appear- 

 ing gelatinous in the water; branches annulated at the 

 origin; pedicels vary in length, short ones annulated 

 throughout, long ones annulated towards each end; 

 hydrotheca^ deeply campanulate, tapering gradually 

 from margin to base; margin with about 10 teeth, each 

 with two sharp cusps 



Gonosome. Gonangia elongated oval, with dis- 

 tinct neck and tapering base; pedicels shor';, annu- 

 lated. 



No. 28. 

 Campanularia gelatinosa. 



Campanularia gigantea Hincks. 



Trophosome. Stem delicate, slightly branched, 

 each branch forming a pedicel for a hydrotheca; pedi- 

 cels annulated at the base; hydrotheca? large, nuich 

 deeper than wide, the lower portion tapering gradu- 

 ally to the base ; mai-gin with about 10 rounded, deeply- 

 cut teeth. 



Gonosome. Unknown. 



No. 29. 



Campanularia gigantea. 



Campanularia grcenlandica Levinsen. 



Trophosome. Stem unbranched, forming the pedi- 

 cel for the hydranth, annulated or wavy throughout; 

 nydrothecae tubular, urceolate, the base hemispherical; 

 margin with 10-12 teeth, rounded or squared at the tip ; 

 lines running down from the spaces between the teeth, 

 the full length of the hydrotheca. 



Gonosome. Gonangia large, with smooth surface, 

 bottle-shaped with long neck; pedicel short. 



No. 30 



Campanularia gr<rn 



landica. 



Campanularia hincl'si Alder. 



Trophosome. Stem unbranched, forming the pedi- 

 cel for the hydranth, long, slender, annulated below 

 the hydrotheca and at the base ; hydrotheca? deep, nearly 

 tubular, with lines running from the margin almost to 

 the base; margin with square-topped teeth. 



Gonosome. Gonangia borne on the stolon, ovoid, 

 truncate, corrugated; pedicel short, not annulated. 



No. 31. 



Campanularia liinckst. 



