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 When we were abroad pushing our trail farther and farther toward the distant break which, we assumed, marked a feasible way across the range, we never knew at what second some great engine of clawed and fanged destruction might rush upon us from behind, or lie in wait for us beyond an ice-hummock or a jutting shoulder of the craggy steeps.

The roar of our rifles was constantly shattering the world-old silence of stupendous cañons upon which the eye of man had never before gazed. And when in the comparative safety of our hut we lay down to sleep the great beasts roared and fought without the walls, clawed and battered at the door, or rushed their colossal frames headlong against the hut's sides until it rocked and trembled to the impact.

Yes, it was a gay life.

Perry had got to taking stock of our ammunition each time we returned to the hut. It became something of an obsession with him.

He'd count our cartridges one by one and then try to figure how long it would be before the last was expended and we must either remain in the hut until we starved to death or venture forth, empty, to fill the belly of some hungry bear.

I must admit that I, too, felt worried, for our progress was indeed snail-like, and our ammunition could not last forever. In discussing the problem, finally we came to the decision to burn our bridges behind us and make one last supreme effort to cross the divide.

It would mean that we must go without sleep for a long period, and with the further chance that when the time came that sleep could no longer be denied we might still be high in the frozen regions of perpetual snow and ice, where sleep would mean certain death, exposed as we would be to the attacks of wild beasts and without shelter from the hideous cold.

But we decided that we must take these chances, and so at last we set forth from our hut for the last time, carrying such necessities as we felt we could least afford to do without. The bears seemed unusually troublesome and determined that time, and as we clambered slowly upward beyond the