35 



that too great an age is given to the scales (and tlierefore the eel), as the uum- 

 bers ouly beeome quite correct at the beginuiug of the next growth-period; thus 

 the specimens of the I, II, III etc. groups in May — June change the sign from 

 the middle of July and must now be sought for in the II, III, IV etc. groups, 

 whicli must be remembered in comparing gi-oups from diiferent periods of the year. 



Table 11. 



ClU. 



91 



89 c? 

 87 + 

 85 



83 



81 

 79 

 77 

 75 

 73 

 71 



69 



67 



65 



63 



61 



59 



57 



55 



53 



51 



49 



47 



45 



43 



41 



39 



37 



35 



3 

 33 



31 



29 3 



27 



25 



Nyborg Fjord. Eels taken by eel seine. 



cf 



44 

 44 



4444 



444 



2 2 



2 



22 



2 



2 



i 



2 



333 

 33 



333 



33 



o o - 



O o 

 3 3 



o o o 

 3333 



33; 

 33 



21. 



9 



-30. Julv 1906. 



44 



444 



44444444 



4444 



444 



44 



44 



444444 



444 



444 



444444 



4 



444444 



44444 



44 



44 



4 



4 



4 



4 



10 



66 7 



6 7 



66 6 7 

 6 



66 



66 

 555 

 55555 

 55 6 



5 5 5 6 



5 5 5 5 i; 

 5 5 



5555 

 55 

 55 

 5 



77 

 7 



88 

 8 



12 



cm. 

 91 



89 

 87 

 85 



83 



81 

 79 

 77 

 75 

 73 

 71 



69 



67 



65 



63 



61 



59 



57 



55 



53 



51 



49 



47 



45 



43 



41 



39 



37 



35 



33 



31 



29 



27 



25 



