As there was still about an hour before sundown, we did not take up our station at once, but proceeded along the bank to see if any other game was about. We had not gone very far when Mahina, who was a little way ahead, signalled to me, and on joining him I saw a splendid-looking water-buck standing in a shallow pool of the river. It was the first time I had seen one of these fine antelope, and I was delighted with the sight. I might have got twenty yards or so nearer, but I thought I had better not risk moving, so I aimed at the shoulder and fired. The buck gave one leap into the air, and then turned and galloped quickly behind an island which completely hid him from view. We waited for him to clear the rushes at the other end of this island, but as he did not appear I got impatient and plunged into the river, regardless of crocodiles or anything else. On rounding the island, however, he was nowhere to be seen, and had evidently turned off while in the shelter of the reeds and so gained the opposite bank. I was keenly disappointed at my failure, for it was impossible to follow him up: to do so we should have had to make a long detour to get across the river, and by that time darkness would have set in. This incident shows the great drawback to the .303--namely, that it has very little knock-down effect unless it strikes a vital part; and even then, in a bush country, an animal may manage to go far enough to be lost. On the other hand, an animal wounded with a hard bullet is likely to make a speedy recovery, which is a great blessing. Mahina was even more upset at the escape of the buck than I was, and as we trudged back through the sand to our tree, he was full of gloomy forebodings of an unlucky night. By the light of a splendid full moon we settled ourselves on a great outspreading branch, and commenced our vigil. Soon the jungle around us began to be alive with its peculiar sounds--a night bird would call, a crocodile shut his jaws with a snap, or a rhino or hippo crash through the bushes on its way to the water: now and again we could even hear the distant roar of the lion. Still there was nothing to be seen.