Mötet den 1 november 1902. 51 



The following table shows the length of the eels taken in 

 lamprey-pots at Lammais and Saksankorva in the river Kumo 

 between August 15:th and September 25:th, 1902. Each point 

 represents an eel. 



Length. 

 cm. 



31 . . . 



32 . . 



33 . 



34 . . 



35 .... . 



36 



37 



38 



39 



40 



41 



42 



43 



44 



45 



46 



47 



48 



49 . 



50 . . 



51 . 



52 . . 



53 . 



54 . 



As the lamprey-pots are placed for catching the upgoing 

 lampreys, the small eels caught in them must also be upgoing. 

 The length of the upgoing eels in the river Kumo was thus in 

 this year between 31 and 54 cm, the most part of them being 



