The cement apparatus vras this year given a coat of black varnish; 

 this seemed to be good, as the young did not shew much v/ear and tear. 

 But at the end of the season also the black varnish started to come 

 off just like the other painting y;hich had been used before. The 

 difficulty in getting the right painting to take av;ay the roughness 

 of the cement is one of the reasons vrtiy vre are going back to \Tooden 

 apparatus* 



As far as the place has alloived it, we have this year kept the 

 young for several days after they reached the 4th stage, so that 

 they can recover after the moulting and cease the pelagic period at 

 the beginning of this stage. The duration of this decidedly pelagic 

 period varies; this question Y\rill be further investigated. 



This year there has been observed on the spavm lobster some 

 "red spawn" - dead eggs; the vrorm Histriobdella, mentioned by adviser 

 Sundn vras also generally to be founde 



The suctorie Ephelota gemmipora, vjhich troubled us very much 

 two years ago, vras very scarce. 



The sea temperature was very IoviT - a lov/cr average tenperaturo 

 for July has never been observed by the Torungcn lighthouse near by; 

 observations v/ere started here in 1874, The low temperature delays 

 the hatching of the eggs and prolongs the rearing period© 



The water's salinity has been relatively high. 



The neviTly hatched young, which could not be used for rearing, 

 have been released in Haavesanden at Trom/en; the reared young lobsters 

 were released outside of His^en. 



A summary of the year's work shov;s that the results are far 

 better than those of preceding years. 



200 spawn lobsters are used for rearing: 



July 2 - August 24 gathered in all 222,629 young 

 Released in the sea immediately because 



of lack of space 74,030 " 



Left for rearing 148,599 " 



Thereof reared to 4th stage 50,187 " 34 per 



Liberated in the sea in other stages, cent 



especially 3d 6,826 



74 



