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 will procure furs as we proceed north, so as to be ready in case we should be compelled to winter in the Arctic regions. It is remarkably cold even here, and dark and blue and forbidding every way, though it is fine weather for health.

I was just thinking this morning of our warm sunny home. . . and of the red cherries down the hill, and the hundreds of blunt-billed finches, every one of them with red bills soaked in cherry juice. Not much fruit juice beneath this sky!

During the cruise Muir kept a daily record of his experiences and observations. He also wrote a series of letters to the San Francisco Evening Bulletin in which he turned to account the contents of his journal. Comparison of the letters with the journal shows that his note books contain a large amount of interesting literary and scientific material which has not been utilized in the Bulletin letters. To publish both would involve too much duplication. It has seemed best, therefore, to make the letters the foundation of the volume and to insert the additional matter from the journal wherever it belongs chronologically in the epistolary record. Most of the' letters have thus grown far beyond their original size. The performance of this task has often been trying and time-consuming, especially when it became the editor's duty to avoid repetition, or overlapping, by selecting what seemed to