It was true. At this point the channel between them and the opposite coast was only about thirty or forty yards wide； but they could now see that this was its narrowest place. After that， their own coast bent round to the right again and they could see open sea between it and the mainland. It was obvious that they had already come much more than halfway round the island.
“Look！” said Lucy suddenly. “What‘s that？” She pointed to a long， silvery， snake.like thing that lay across the beach.
“A stream！ A stream！” shouted the others， and， tired as they were， they lost no time in clattering down the rocks and racing to the fresh water. They knew that the streamwould be better to drink farther up， away from the beach， so they went at once to the spot where it came out of the wood. The trees were as thick as ever， but the stream had made itself a deep course between high mossy banks so that by stooping you could follow it up in a sort of tunnel of leaves. They dropped on their knees by the first brown， dimply pool and drank and drank， and dipped their faces in the water， and then dipped their arms in up to the elbow.
“Now，” said Edmund， “what about those sandwiches？”