82 



PLAN OF STOEMONTFIELD PONDS. 



kind of dam, and thence runs into a small lake or dep6t where 

 the young fish are kept. For some years after the experiments 



Ritrer Tay . 



ORIGINAL BEEEDING-POND AT STOEMONT FIELD. 



A. Mill-race. 



B. Filtering-pond. 



C. Hatching-boxes, 



D. Rearing-pond. 



E. Upper canal. 



F. Lower canal. 



G. Connecting stream of C and D. 

 H. By-run to river. 



K. Pipe from mill-race to pond. 



L. Pipe to empty pond. 



M. Pipe from mill-race to illtering- 



pond. 

 « n. Discharge-pipes from do. 

 0. Do. do. to lower canal. 

 P. Sluices from pond. 

 R. Marking-box. 

 S. Keeper's house. 

 T V. Sluices from lower canal. 



were begun only one pond was to be found at Stormontfield, 

 but another pond for the smolts has since been added in order 



