THE PUBLIC AQUAEIUM 



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portant feature of his apparatus. Seines of two or more sizes are 

 necessary according to the waters to be fished. The seine employed 

 most frequently for collecting in fresh waters is 100 feet long, 12 

 feet wide at center, tapering to 4 feet at the ends. It is usually of 



Fig. 26. — Oval shipping tanks of galvanized metal 



1-inch mesh. For use in brooks and ponds a 50-foot seine is more 

 convenient. In wide waters and for use on sea beaches a seine 300 

 feet in length is necessary. The seine is thrown out from a boat, 

 one of the haul ropes being held by a man on shore while the 



Fig. 27. — Narrow tank for fishes of extra length. Hoisting a shark from the well 

 boat for transfer to the aquarium 



other is passed ashore after the seine is laid. Collecting seines, as 

 used by naturalists, are made with enough slack in the center to 

 form more or less of a bag, which facilitates landing the catch. 

 This part of the seine is preferably of smaller mesh than the wings. 



