358 
This very common species is present in various numbers or 
masses from the stations here named, all pertaining either to the 
Skagerrack, the North Sea or the Kattegat. 
Hydvoides norvegica (Gunn.). 
“Dana« St. 2805. St. 2850. St. 2860. St. 2875. St. 2905 
St. 2907. St. 3015. 
By the “Dana« only taken in the North Sea and the Skagerrack. 
Spirorbis borealis Daud. 
“Dana« St. 2974. 
Only One find from the “Dana« originating from the Great Belt. 
In concluding this paper I wish to thank Mag. sc. P. Kramp 
to whom we are indebted for the very important collection of 
Polychæta originating from the cruises of the “Dana« in 1922_23. 
