SEA-FISHERIES LABORATORY. 



305 



Bay, the Estuary of the Kibble, and that of the Mersey. 

 Such along-shore migrations have always been observed in 

 previous experiments. They represent the capricious, 

 or aperiodic migratory movements already referred to. 



Chart VII. 



But it will also be noted, not only from this, but also 

 from previous experiments that they occur mainly during 

 the winter months, 

 u 



