dently found a softer stratum under a forest-covered hill, and inserted its shovel point under the hill, heaved it upon the ice, cracking the rocks into a thousand fragments; and was carrying the whole hill upon its back towards the sea. The large trees were leaning at all angles, some of them submerged, splintered and ground by the crystal torrent, some of the shattered trunks sticking out of the ice. It was one of the most tremendous examples of glacial power I have ever seen.
"I must climb this glacier to-morrow," said Muir. "I shall have a great day of it; I wish you could come along."
I sighed, not with resignation, but with a grief that was akin to despair. The condition of my shoulders was such that it would be madness to attempt to join Muir on his longer and more perilous climbs. I should
