This section is from the book "Fly Fishing", by Sir Edward Grey. Also available from Amazon: Fly Fishing.
I was warned that at this season of the year, when the water was low, I must not expect to catch any of these fish, but I cared nothing for warnings. The trout were there, and were rising, and though I saw at once that it was a case for dry fly and for that only, I had by this time been taught to believe that any one, who could catch Winchester trout, could catch rising trout anywhere. These trout, however, at first upset my calculations. They brought me face to face with a difficulty which did not exist on the ticket water at Winchester—they were unapproachable. Never was an angler more put upon his mettle. There were trout visibly and audibly rising, which had never seen an artificial dry fly, and would probably take it at once. They were evidently also big trout. There was splendid sport to be had, and reputation and glory to be won in catching even one of them, and yet so shy were they, that I could not get my dry fly to them.
For two days they defeated me utterly. I walked and knelt and waded and laboured and perspired under an August sun without success. Some of the trout were put down by my approach, some were scared by the first waving of the rod, and some, which had been successfully stalked, turned tail and fled when the gut floated over them without even the least drag; at last, on the second evening in a fading light, I hooked a fish which went off up stream at once with a mighty rush, and came to rest somewhere out of sight at the end of a lot of line. I waded carefully up in the twilight, keeping a tight line by reeling up as I went till I was over a great bed of strong weeds. Into this one hand carefully felt its way along the casting line, and touched at last the side of a great fish. Nothing could be seen for it was getting dark, and the weeds were too thick for a landing net to be used in them. I tried with one hand to arrange a grip on the trout, and very broad and hard he felt; but at the critical moment he made the most violent commotion in the weeds and dashed off somewhere. When all was still I felt again and found in the weeds only the end of broken gut. There was nothing more to be done that evening, and I waded out and lay on the bank in the dusk. On the whole, I think that was the bitterest moment I have ever known in angling. To have come so near to success, and to have it snatched from me at the last moment, after keenness and effort had been sustained at the very highest pitch for two whole days, was more than could be borne.
But success did come afterwards, and in broad daylight; I found a place where, by wading and kneeling in the river on the shallow side, it was possible to get within reach of and apposite to rising trout without frightening them. Then the fly could be thrown some way above them with an underhand cast, so as not to show the rod; and being opposite and not below, I could let the fly float down a few inches on the near side of a rising trout, so that only the fly and none of the gut was seen. In this way I at last caught one or two trout, and then somehow, when the frost of failure had once broken up, it seemed more easy to succeed all over the river.
These trout were the shyest I have ever known. They were more difficult to approach and more easily scared by rod or gut than any others I ever fished for; but if the fly could be floated to a rising fish without frightening him, it was generally taken. On the best day that I had there I caught eleven fish. None of these weighed three pounds, but the first two were each over two and three-quarter pounds. For such shy fish really fine gut had to be used, and there were many disasters in the weeds, but also many splendid struggles fought out in pools which were far too deep for any vegetation. It was the wildest and most exciting and most fascinating dry fly fishing that I have ever had. My experience of it has only been during late August or early September, but I can imagine that in May and in June it might be the finest dry fly fishing in the United Kingdom.
 
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