“But the purposeful conspiring for big trout has at least the thrill of anticipation and, if successful, the satisfaction of any job consummated according to design. On the prowl for a three-pounder you become a specialist; you have renounced the easier rewards of small ones for the rare chance of a whopper. The thing has the gambling appeal of any long shot. Swinging a big streamer into the twilight shallows is one of the headier adventures of trout fishing. It is a grand way to end a day of finicky maneuvers with dry flies. It caps a day of