100 



PLAN OF THE STOKMONTFIELD PONDS. [CHAP. in. 



collects at the bottom of the range of boxes in a kind of dam, 

 and thence runs into a small lake or depot where the young- 

 fish are kept. Until lately only one such pond was to be 



ORIGINAL BREEDING-POND AT STORMONTFIELD. 



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 filtering- 

 pond. 



n n. Discharge-pipes from do. 

 O. Do. do. to lower canal. 

 P. Sluices from pond. 

 R. Marking-box. 

 S. Keeper's house. 

 TV. Sluices from lower canal. 



found at Stormontfield, but another pond for the smolts has 

 now been added in order to complete the suite. A sluice 

 made of fine wire-grating admits of the superfluous water 



