Canfield. — Protection of Pond Embankments 145 



and wire or rope. The "boom" should then be anchored from 

 both ends near the sides of the pond at sufficient distance to 

 maintain it two or three feet clear of the embankment receiving the 

 wave action. Such a "boom" is also of value for use at rough points 

 to protect newly introduced stolons until they take root. 



SUMMARY. 



1. Car ex stricta is an efficient protection against wave action 

 on pond embankments and is especially desirable in connection 

 with fish cultural operations. 



2. It binds and secures pond embankments by means of its 

 abundant root system against seepage, heavy rains, etc. 



3. It provides food for fishes above and below water. 



4. It provides an avenue of escape for young fishes from their 

 common enemies. 



5. It is easily and cheaply introduced. 



6. It provides shade for fishes. 



7. It is a rapid grower and is easily controlled. 



8. It beautifies pond embankments. 



