We had a compact trawl, with a 15-feet beam, on board, and we sent it down off Cape St. Vincent at a depth of 600 fathoms.

When the flat fish are disturbed, they rise a foot or two from the sea floor, and are then swept into the gaping mouth of the deadly trawl.

They carry a large neta shrimp-trawl, it is calledwhich is drawn over the sandy home of the Shrimp.

The otter trawl, the Agassiz trawl, the 'D' net, and the ordinary dredger.