Here, too, Mr.Robinette shot a new species of squirrel, _Sciurus Apache_.

It was large, of a pale grayish-yellow color varied with black, and having a long, full and bushy tail.
We had now arrived in the pine region of the sierra.

The Mexican scouts reported that the country ahead of us was still more difficult of access; but the track having been laid out well by Professor Libbey along the pine-covered slopes, we safely arrived at the crest of the sierra, which here has an elevation of 8,200 feet.

The steep slopes of the valleys and crevices were covered with slippery pine needles eight to twelve inches long, while the pines rose up to a height of a hundred feet or more.

The forest, never touched by a woodman's axe, had a remarkably young and fresh look about it.