our canoe about half a mile from the edge of the glacier, but, attempting to land, were forced hastily to put off again. A great wave, formed by the masses of ice breaking off into the water, threatened to dash our loaded canoe against the boulders on the beach. Rowing further away, we tried it again and again, with the same result. As soon as we neared the shore another huge wave would threaten destruction. We were fully a mile and a half from the edge of the glacier before we found it safe to land.
Muir spent a whole day alone on the glacier, walking over twenty miles across what he called the glacial lake between two mountains. A cold, penetrating, mist-like rain was falling, and dark clouds swept up the bay and clung about the shoulders of the mountains. When night approached and Muir had not re-
