252 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Just the same three groups of recaptures were obtained 

 in this as in the last experiment. (1) There are a large 

 number of plaice recaught in the immediate neighbour- 

 hood of Nelson Buoy, the place of liberation. The scale 



Fig. 4. Experiment V, 1913. 



of the chart is so small that it has been difficult to assign 

 the symbol representing each of these recaptures to its 

 exact position : this group of recaptures really occupies a 

 rather more restricted position on the chart than has been 



