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 I next boiled the thermometer, and got a most excellent result; the mercury went up to about 200° Farenheit. In the opinion of the other scientists of the Expedition, this seemed to indicate that we had attained the extraordinary altitude of 200,000 feet above sea level. Science places the line of eternal snow at about 10,000 feet above sea level. There was no snow where we were, consequently it was proven that the eternal snow line ceases somewhere above the 10,000 foot level and does not begin any more. This was an interesting fact, and one which had not been observed by any observer before. It was as valuable as interesting, too, since it would open up the deserted summits of the highest Alps to population and agriculture. It was a proud thing to be where we were, yet it caused us a pang to reflect that but for that ram we might just as well have been 200,000 feet higher.

The success of my last experiment induced me to try an experiment with my photographic apparatus. I got it out, and boiled one of my cameras, but the thing was a failure: it made the wood swell up and burst, and I could not see that the lenses were any better than they were before.

I now concluded to boil a guide. It might improve him, it could not impair his usefulness. But I was not allowed to proceed. Guides have no feeling for science, and this one would not consent to be made uncomfortable in its interest.

In the midst of my scientific work, one of those needless accidents happened which are always occurring among the ignorant and thoughtless. A porter shot at a chamois and missed it and crippled the Latinist. This was not a serious matter to me, for a Latinist's duties are as well performed on crutches as otherwise,—but the fact remained that if the Latinist had not happened to be in the way a mule would have got that load. That would have been quite another matter, for when it comes down to a question of value there is a palpable difference between a Latinist and a mule. I could not depend on having a Latinist in the right place every time; so, to make things safe, I ordered that in future the chamois