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FISH FARMING I 



flowing through. The same' form of spout, only without tli2 

 hand sluice, is used for the hatching bcxxes also. In the 

 drawings A is the spout, B the sluice, c the hole to regulate 

 the supply, and D the front or side of the box. 



The distributing box is quite a plain affair, and its position 

 (at right angles) in relation to the hatching boxes is shown in 

 Fig. 25. It is fitted with a spout (Fig. 31) at the head cf 

 each range of hatching boxes, to enable the supply to* such 

 boxes being adjusted independently of the others. It needs 

 no further explanation. 



Fig. 31. Outlet Spout and Hand Sluice. 

 Fig. 32. Plan of Outlet Spout and Hand! Sluice. 



The next illustrations are of ai hatching box and a hatching 

 tray or basket, as it is sometimes termed. I recommend 

 these trays and boxes in preference to any others ; they are 

 simple, practical, economical, and strong. Fig. 33 is a plan 

 of the box showing the arrangement of the trays, A conve- 

 nient size for the box (inside measurement) is 6ft. long by 

 15in. wide by Sin. deep. It should bo made of inch planking 

 and charred and varnished inside. Trie hatching trays are 

 marked A, the outlet spout B, and c is a slanting board that 

 receives the supply of water and directs it under the trays. 



Fig. 34 is ai longitudinal section of the hatching box. It 

 will be noticed that the slanting board c is kept at about 1 Jin. 

 from the bottom of the box, this to enable the water to flow 

 undor it in the direction shown by the curved arrow; it is 

 kept in this position by a) small stop fastened en the slats 

 which support it. The trays, marked A, are kept at a conve- 



