Tony joined Paddy and Mark on the bank, along with the cows and the calf. One of the cooks hurried back to his fire and came back with three tin mugs on a string and an enamel jug of the always-ready camp-tea, to offer a restoring drink. It was while they were enjoying the tea that Tony suddenly asked: 'Mark, where'd you get the shiners?' 'Shiners?' Mark said, puzzled. 'What do you mean?'…