CONTENTS 



Page 



Average growth data 201 



Determining lengths by the direct -proportion method 201 



Transformation of growth curves 203 



Growth curves of 1939 year class 207 



Consistency of growth curves 208 



Biological significance of differences in growth characteristics- 208 



North-South migration of larger iish_ _ 209 



North-South variation in growth characteristics- _ 210 



Growth characteristics determined by origin 211 



Scale and growth patterns of individual fish 212 



Contraction of fished stocks.. 219 



Distinguishing southern and northern year classes 219 



Anomalies in year-class catch curves 222 



Bimodality in length-frequency composition. 222 



Summary and conclusions 222 



Bibliography 224 



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