io6 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 



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 



