AND OF STILL WATERS. 127 



and the eggs adhere to the fir branches. After 

 spawning the fish are removed, and the box can 

 be carried away to any stream or pond where 

 stocking is required. In all fish-ponds a few 

 breeding-hurdles are very necessary. They 

 consist simply of hurdles interwined with 

 branches of fir or other trees, and sunk in the 

 water in a quiet spot. The fish cast their 

 spawn on the hurdles, which can then be lifted 

 out and transferred elsewhere. Mr. Buckland 

 recommended that these hurdles " should be 

 placed on the top of the water, and fixed there 

 by posts f but perhaps the sunken hurdle is a 

 better plan. 



The quantity of fish that water will carry 

 remains a moot point amongst pisciculturists. 

 Mr. Roger North, nearly two hundred years 

 ago, gave his opinion that of fry six or eight 

 inches long " you may put a hundred into four 

 rods square of water, or near that proportion ; 

 these then can be fed up like chickens, and in 

 time turn to great profit ; because, considering 

 a pond will, though but four acres, feed up 

 1 600 carp in two, and perhaps one year, from 



