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CIVIC BIOLOGY 



them ? Do all the people have all the good tish and good 

 fishing they need to keep them good-natured ? 



There are millions of springs and brooks and flowing wells, 

 many of which might be turned to good account in forming 

 home fish ponds. These might be made to serve as storage 

 reservoirs for irrigation or stock watering, and might be so 

 developed over the country as to help in solving problems 



Fio. 137. Exterminating shad from a Virginia river 



Largest seine in the world, 9600 feet long. The seine was hauled by steam power 

 and the labor of 80 men. and was drawn twice daily, at ebb tide, throughout the 

 season. As many as 3600 shad were taken at one haul, and 126,000 in one season : 

 250,000 alewives were caught at one time. The season's yield of shad fell to 300, 

 and the fishing was consequently discontinued in 1905, after having been carried 

 on for a century. This seine was a source of eggs for the Bureau's shad hatchery 

 on this river, Stony Point, Virginia. United .States Bureau of Fisheries 



of increasing floods in the river valleys. Waste hollows and 

 ravines might be turned into the most productive areas of 

 our farms, acre for acre, when properly stocked with fish. 

 Has this been adequately worked out for the district ? l 



1 Johnson and Stapleton, "Fish Ponds on Farms/' Document No. 826, 

 Bureau of Fisheries, Washington, 1915. 



