Having settled the above question in the affirmative, get some person who knows the water to show you whereabout the fish usually lie; and when he shows them to you, do not show yourself to them.
III.
Comparatively coarse fishing will succeed better when you are not seen by the fish, than the finest when they see you.
IV.
Do not imagine that, because a fish does not instantly dart off on first seeing you, he is the less aware of your presence; he almost always on such occasions ceases to feed, and pays you the compliment of devoting his whole attention to you, whilst he is preparing for a start whenever the apprehended danger becomes sufficiently imminent.
V.
By wading when the sun does not shine, you may walk in the river within eighteen or twenty yards below a fish, which would be immediately driven away by your walking on the bank on either side, though at a greater distance from him.
VI.
When you are fishing with the natural May-fly, it is as well to wait for a passing cloud, as to drive away the fish by putting your fly to him in the glare of the sunshine, when he will not take it.
VII.
If you pass your fly neatly and well three times over a trout, and he refuses it, do not wait any longer for him: you may be sure that he has seen the line of invitation which you have sent over the water to him, and does not intend to come.
VIII.
If your line be nearly taut, as it ought to be, with little or no gut in the water, a good fish will always hook himself, on your gently raising the top of the rod when he has taken the fly.
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IX.
If you are above a fish in the stream when you hook him, get below him as soon as you can; and remember that if you pull him, but for an instant, against the stream, he will, if a heavy fish, break his hold; or if he should be firmly hooked, you will probably find that the united strength of the stream and fish is too much for your skill and tackle.
X.
I do not think that a fish has much power of stopping himself if, immediately on being hooked, he is moved slowly with the current, under the attractive influence of your rod and line. He will soon find that a forced march of this sort is very fatiguing, and he may then be brought, by a well-regulated exercise of gentle violence, to the bank, from whence he is to be instantly whipt out by an expert assistant, furnished with a landing-net, the ring of which ought not to be of a less diameter than eighteen inches, the handle of it being seven feet long.
XI.
If, after hooking a trout, you allow him to remain stationary but for a moment, he will have time to put his helm hard a-port or a-starboard, and to offer some resistance. Strong tackle now becomes useful.
XII.
Bear always in mind that no tackle is strong enough, unless well handled. A good fisherman will easily kill a trout of three pounds with a rod and a line which are not strong enough to lift a dead weight of one pound from the floor, and place it on the table.
XIII.
Remember that, in whipping with the artificial fly, it must have time, when you have drawn it out of the water, to make the whole circuit, and to be at one time straight behind you, before it can be driven out straight before you. If you give it the forward impulse too soon, you will hear a crack. Take this as a hint that your fly is gone to grass.
XIV.
Never throw with a long line when a short one will answer your purpose. The most difficult fish to hook is one which is rising at three-fourths of the utmost distance to which you can throw. Even when you are at the extent of your distance, you have a better chance; because in this case, when you do reach him, your line will be straight, and, when you do not, the intermediate failures will not alarm him.
XV.
It appears to me that, in whipping with an artificial fly, there are only two cases in which a fish taking the fly will infallibly hook himself without your assistance, viz.
1. When your fly first touches the water at the end of a straight line.
2. When you are drawing out your fly for a new throw.
In all other cases it is necessary that, in order to hook him when he has taken the fly, you should do something with your wrist which it is not easy to describe.
XVI.
If your line should fall loose and wavy into the water, it will either frighten away the fish, or he will take the fly into his mouth without fastening himself; and when he finds that it does not answer his purpose, he will spit it out again, before it has answered yours.
XVII.
Although the question of fishing up or down the stream is usually settled by the direction of the wind, you may sometimes have the option; and it is, therefore, as well to say a word or two on both sides.
1. If, when you are fishing down-stream, you take a step or two with each successive throw, your fly is always travelling over new water, which cannot have been disturbed by the passing of your line.
2. When you are fishing up-stream, you may lose the advantage of raising so many fish; but, on the other hand, you will have a better chance of hooking those which rise at your fly, because the darting forward of a fish seizing it has a tendency to tighten your line, and produce the desired effect.
3. If you are in the habit of sometimes catching a fish, there is another great advantage in fishing up-stream, viz. whilst you are playing and leading (necessarily down-stream) the fish which you have hooked, you do not alarm the others which are above you, waiting till their turn comes.
XVIII.
The learned are much divided in opinion as to the propriety of whipping with two flies or with one. I am humbly of opinion that your chance of hooking fish is much increased by your using two flies; but I think that, by using only one, you increase your chance of landing the fish.