THE FLOUNDER FAMILY. 



363 



plaice, and the position of the spawning-grounds, and they help 

 to complete our knowledge of the cycle of life and movement 

 of this important flat-fish." 



Fig. 39. Diagram showing the movement of plaice within St Andrews Bay and 

 the Frith of Forth, a indicates the general direction of the movement ; 

 h represents a probable movement within the Frith of Forth ; and c the 

 movement offshore to the spawning-grounds. Dr Fulton, 11th Ann. Rept. 

 S. F. B. p. 186. 



" The spawning-grounds are situated off the mouth of the 

 Forth and St Andrews Bay, the buoyant ova are floated inwards, 

 and the immature fishes circulate in the shallower waters in the 

 manner described, passing out to the spawning-grounds on 



