106 Modern Fishculture in Fresh and Salt Water. 



also kept food swirling around, for there were eddies 

 and not a straight flow, and it also kept the bottom 

 clean. In the ten "baby ponds" of 24 feet long, as de- 

 scribed, we put 8,000 to 10,000 babies in the upper 



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ones, leaving the three or four lower ones empty, but 

 screened. The little fellows would get into these 

 through cracks in the planks, loose screens or other 



