STOKMONTFIELD EXPEKIMENT. 117 



cut for conveying the fresh water into the salt. 

 This last cut had a fall of eight feet. The 

 distance between the ponds is about thirty yards. 

 A strong iron pipe, eighteen inches in diameter, 

 is carried from the salt water pond to the sea 

 the mouth of the pipe is placed in the sea, 

 as far as half- water mark, by which means the 

 water is frequently running in or out. The 

 pond, when the water is at the lowest, is about 

 three feet deep, and is well built with projecting 

 stones along the sides, for shelter to the fish. At 

 high water it has six or eight feet added to 

 its depth. The water at the place where it 

 enters from the sea is as salt as the ocean, 

 but at the sides it is brackish, as a considerable 

 quantity of fresh water filters into it. Some 

 years ago, when this pond was completed, a few 

 pairs of spawning fish were turned into the cut 

 which empties itself into the fresh water pond, 

 and we believe they did spawn, and dropped 

 down into the sea pond; but they were not al- 

 lowed to remain long there, the temptation was 

 too great for the poaching propensities of a set of 

 prowlers that are to be found in all places. We 

 learned from persons on the spot, that the ova 

 hatched, and disappeared likewise. Multitudes of 



