Keeping Salmon in Fresh Water. 145 



the sea, have their development checked, and 

 grow bnt slowly, and the possibility of obtain- 

 ing matured ova from them before they go to 

 the sea is a curious scientific fact, rather than 

 a discovery of much practical value. It might, 

 however, be of some utility, where a small 

 number of sea-going fish were retained for the 

 purpose of securing a further supply of ova, 

 for their reproduction before being themselves 

 liberated. 



