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 sometimes wild and irregularly sublime, again smooth and elegant as a painter's dream.

Lewis, impatient to see and know, hurried on past the rest until night overtook him alone near the head of the series of cataracts. On the high plain along the bank a thousand buffalo were feeding on the short curly grass. Lewis shot one for supper, and leaning upon his unloaded rifle watched to see it fall.

A slight rustle attracted his attention. He turned. A bear was stealing upon him, not twenty steps away. There was no time for reloading, flight alone remained. Not a bush, not a tree, not a rock was near, nothing but the water. With a wild bound Lewis cleared the intervening space and leaped into the river. Turning, he presented his espontoon. The bear, already at the bank, was about to spring, but that defiant espontoon in his face filled him with terror. He turned and ran, looking back now and then as if fearing pursuit, and disappeared.

Clambering out of the water, Lewis started for camp, when, sixty paces in front of him, a strange animal crouched as if to spring. Lewis fired and a mountain lion fled. Within three hundred yards of the spot, three enraged buffalo bulls left the herd, and shaking their shaggy manes, ran pawing and bellowing, full speed upon him. Eluding the bulls, Lewis hurried to camp. Worn out, he fell asleep, only to awaken and find a huge rattlesnake coiled around the tree above his head! Such was earth primeval!

The Great Falls of the Missouri was the rendezvous for all wild life in the country. Thousands of impatient buffaloes pushed each other along the steep rocky paths to the water. Hundreds went over the cataract to feed the bears and wolves below.

Captain Clark soon arrived with the main body and went into camp at a sulphur spring, a favourite resort of buffaloes.

"This is precisely like Bowyer's sulphur spring of Virginia,—it will be good for Sacajawea," said Lewis, bringing her a cup of the transparent water that tumbled in a cascade into th