HYDROIDA 



63 



200m, 600m. looom, 2QOom, 



Text-fig. U. The distribution of Eudtitdnum cnpillnic in the Northern Atlantic. 

 (Tile hatched coastal region indicates a scattered occurence according to the litterature). 



being borne by diminutive i:)ol\'p.s. It accordingly appears that tlie fertile polyps of the species are 

 not always wholly atrophied, as has hitherto been generally supjjosed. 



The distribution of Eudoidriiiiii capillarc is extremely wide, almost quite cosmopolitan. It very 

 frequentl)- occurs in the northern seas (Text-fig. U); however, already in the Norwegian Sea and 

 along the west coast of Norway its occurence becomes less frequent, and it does not penetrate very 

 far into the Arctic regions. The species belongs to the middle parts of the littoral region. 



