Part 84 (2/2)

”Tight as tight,” said Mark. ”Just think,” said Bevis. ”He must have swum all down the channel we came up on the catamaran. Why it's a hundred and fifty yards--”

”Or two hundred--only some of it is shallow. Perhaps he could bottom some part--”

”But not very far--and then run all the way home, and then all the way back, and then swim off again.”

”A regular voyage--and every night too.”

”You false old greedy Pan!”

”To leave us when we thought you were watching while we slept.”

”To desert your post, you faithless sentinel.” Pan looked from one to the other, as if he understood every word; he rolled up the whites of his eyes and looked so pious, they burst into fits of laughter. Pan wagged his tail and barked doubtfully; he had a shrewd suspicion they were laughing at him, and he did not like it. In fact, it was not only the flesh-pots that had attracted Pan from his post and led him to traverse the sea and land, and undergo such immense exertion, it was to speak to a friend of his.

They thought it of no use to go to sleep again now, so they lit the fire, and prepared the breakfast. By the time it was ready the mist had begun to clear; the sky became blue overhead, and while they were sitting at table under the awning, the first beams shot along over Serendib to their knees. Bevis said after breakfast he should practise with the matchlock, till he could hit something with the bullets. Mark wanted to explore the unknown river, and this they agreed to do, but the difficulty, as usual, was the dinner, there was nothing in their larder but bacon for rashers, and that was almost gone. Rashers become wearisome, ten times more wearisome when you have to cook them too.

Bevis said he must write his letter home--he was afraid he might have delayed too long--and take it to Loo to post that night, then he would write out a list of things, and Loo could buy them in the town, potted meats, and tongues, and soups, that would save cooking, only it was not quite proper. But Mark got over that difficulty by supposing that they fetched them from the wreck before it went to pieces.

So having had their swim, Bevis set up his target--a small piece of paper with a black spot, an inch in diameter, inked in the centre--on the teak, and fired his first shot at forty yards. The ball missed the teak-tree altogether, they heard it crash into a bramble bush some way beyond. Bevis went five yards nearer next time, and the bullet hit the tree low down, two feet beneath the bull's-eye. Then he tried at thirty yards, and as before, when he practised, the ball hit the tree five or six inches lower than the mark. He tried four times at this distance, and every time the bullet struck beneath, so that it seemed as if the gun threw the ball low.

Some guns throw shot high, and some low, and he supposed the matchlock threw low. So he aimed the fifth time above the centre, and the ball grazed the bark of the tree on the right-hand side very much as Mark's had done. Bevis stepped five yards nearer, if he could not hit it at twenty-five yards, he did not think it would be his fault. He aimed direct at the piece of paper, which was about five inches square, but the bullet struck three inches beneath, though nearly in a line, that is, a line drawn down through the middle of the paper would have pa.s.sed a little to the left of the bullet hole.

This was better, so now he tried five yards closer, as it appeared to improve at every advance, and the ball now hit the paper at its lower right-hand edge. Examining the bullet holes in the bark of the tree, and noticing they were all low and all on the right-hand side, Bevis tried to think how that could be. He was quite certain that he had aimed perfectly straight, and as he was now so accustomed to the puff from the priming, that did not disconcert him. He kept his gaze steadily along the barrel till the actual explosion occurred, and the smoke from the muzzle obscured the view. It must be something in the gun itself.

Bevis put it on the rest unloaded, aimed along, and pulled the trigger, just as he would have done had he been really about to shoot. Nothing seemed wrong. As the heavy barrel was supported by the rest, and the stock pressed firm to his shoulder, pulling the trigger did not depress the muzzle as it often does with rifles.

He aimed again, and all at once he saw that the top sight must be the cause. The twisted wire was elevated about an eighth of an inch, and when he aimed he got the tip of the sight to bear on the paper, so that, instead of his glance pa.s.sing level along the barrel, it rose slightly, from the breech to the top of the sight. The barrel was more than a yard long, so that when the top of the sight was in a line with the object, the muzzle was depressed exactly an eighth of an inch. An eighth of an inch at one yard, was a quarter at two yards, three eighths at three yards, at four half an inch, at eight it was an inch, at sixteen two inches, and at twenty-four three inches. This was very nearly enough of itself to account for the continual misses. In a gun properly made, the breech is thicker than the muzzle, and this greater thickness, like a slight elevation, corrects the sight; the gun, too, is adjusted. But the matchlock was the same thickness from end to end, and till now, had not been tried to determine the accuracy of the shooting.

Bevis got a file and filed down the sight, till it was only a sixteenth of an inch high, and then loading again, he aimed in such a way that the sight should cover the spot he wished to strike. He could see both sides of the sight, but the exact spot he wanted to hit was hidden by it. He fired, and the ball struck the paper about an inch below and two inches to the right of the centre. Next time the bullet hit very nearly on a level with the centre, but still on the right side.

This deflection he could not account for, the sight was in the proper position, and he was certain he aimed correctly. But at last he was compelled to acknowledge that there was a deflection, and persuaded himself to allow for it. He aimed the least degree to the left of the bull's-eye--just the apparent width of the sight--and so that he could see the bull's-eye on its right, the sight well up. He covered the bull's-eye first with the sight, then slightly moved the barrel till the bull's-eye appeared on the right side, just visible. The ball struck within half an inch of the bull's-eye. Bevis was delighted.

He fired again, and the ball almost hit the very centre. Next time the bullet hit the preceding bullet, and was flattened on it. Then Mark tried, and the ball again went within a mere trifle of the bull's-eye.

Bevis had found out the individual ways of his gun. He did not like allowing for the deflection, but it was of no use, it had to be done, and he soon became reconciled to the concession. The matchlock had to be coaxed like the sailing-boat and our ironclads, like fortune and Frances.

Bevis was so delighted with the discovery, that he fired bullet after bullet, Mark trying every now and then, till the paper was riddled with bullet holes, and the teak-tree coated with lead. He thought he would try at a longer range, and so went back to thirty-five yards, but though he allowed a little more, and tried several ways, it was of no use, the bullet could not be relied on. At twenty yards they could hit the bull's-eye, so that a sparrow, or even a wren, would not be safe; beyond that, errors crept in which Bevis could not correct.

These were probably caused by irregularities in the rough bore of the barrel, which was only an iron tube. When the powder exploded, the power of the explosion drove the ball, by sheer force, almost perfectly straight--point-blank--for twenty or twenty-five yards. Then the twist given by the inequalities of the bore, and gained by the ball by rubbing against them, began to tell; sometimes one way, sometimes another, and the ball became deflected and hardly twice the same way.

Bevis was obliged to be content with accuracy up to twenty, or at most twenty-five yards. At twenty he could hit an object the size of a sparrow; at twenty-five of a blackbird, after twenty-five he might miss his straw hat. Still it was a great triumph to have found out the secret, and to be certain of hitting even at that short range.

”Why, that's how it was with Jack's rifle!” he said. ”It's only a dodge you have to find out.”

”Of course it is; if he would lend it to us, we should soon master it,”

said Mark. ”And now let's go to the unknown river.”

Volume Three, Chapter VII.

NEW FORMOSA--SWEET RIVER FALLS.

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