68 



FISH FARMING : 



In conclusion, I would remind you that aill woodwork used 

 in connection with screens and sluices should be thoroughly 

 charred and well varnished before being put into position, 



Fig. 20. Elevation of Screen for Fry Enclosure. 



and, if necessary, should be periodically attended to in a simi- 

 lar manner. 



