16 Fishc craft 



when an artificial fish pond is to be 

 made, it should be constructed so that 

 when complete, it will be as nearly 

 like a natural pond or lake as possi- 

 ble; the nearest imitation to nature 

 always being most successful. Pure 

 water is absolutely essential, espe- 

 cially in preparing a trout pond, or 

 a fish preserve to be stocked with 

 small-mouth black bass ; and careful 

 analysis of the water in which other 

 fishes are to be introduced, compar- 

 ing this with analysis of the waters in 

 which those species are known to 

 thrive, will be helpful in making the 

 experiment. 



Often, during the period of over- 

 flow of rivers in spring-time, large 

 numbers of excellent game fishes and 

 food fishes are carried or swim into 

 the flooded districts adjoining the 

 streams thus inundated, a great per- 

 centage of these becoming land- 

 locked as the waters slowly recede, 

 and finally dying by thousands, to be- 

 come a public nuisance, possibly 

 causing a pestilence, if prompt meas- 

 ures are not taken to prevent. Such 



