PLATE XYII 



PODON (Water Fleu) 



Magnified 10 diameters. 



Newly hatched fish will eat Podon and another water flea called Evadne 

 before the yolk sac has disappeared ; especially turbot, soles, plaice, brill, 

 megrims, and lemon soles. They are also eaten by young mackerel. 



(Photograph by Mr. A. Scott.) 



P. 18^ 



