102 



THE PERIODIC GROWTH OF SCALES IN GADID/K 



HADDOCK, from the North Sea. 



N.B.— These haddocks were probably hatched in May. According to Fulton the majority of 

 larval haddocks are jirobably hatched in early April, and it may be later, as spawning fish can be 

 obtained as far on as the beginning of May. 



Age of Haddock as Determined by Fulton. 



