28 



saa med sikkerhed, at po]j'zomængden maa staa i afhængig- 

 hedsforhold til planktoumængdeii. Jeg skal imidlertid ikke 

 her gaa nærmere ind paa dette spørgsmaal. Ved de paa- 

 begyndte undersogelsen i det nordlige Norge haaber jeg 

 senere at kunne levere bidrag til forstaaelse af polyzoernes 

 samt ogsaa andre dyregruppers biologi. 



appear without doubt tliat the quantity of polyzoans must 

 be dependent upon the quantity of plankton. I shall 

 not, however, go further into this question here. After 

 the investigations begun in northern Norway. 1 hope 

 to be able subsequently to contribute towards an uiider- 

 standing of the biology of the Polyzoa and other groups 

 of animals. 



