one animal by such accidents.
Climbing, climbing, climbing, one massive cordon after another, at the
start through dense oak thickets, and over hills flattened and eroded
with countless deep, precipitous gashes seaming the rock in every
direction. Numerous springs oozed and trickled from the stratified
conglomerate along the edges, sides, and bottoms of the ravines. The
tops of some of these truncated knolls were quite swampy in the
depressions, and covered with a thin-stemmed feathery grass. Here and
there was a clump of scrub oaks; sparsely scattered about were small
pines. We found great numbers of _Opuntia Missouriensis_, called by
the Mexicans nopal; small mesquite shrubs, too, are seen everywhere,
while the resurrection plant covers great areas, like the heather
on the Scotch hills. Here are also found century plants, or agaves,
and many species of small ferns, such as the graceful maidenhair. In
the larger water-courses are poplars and maples, now presenting their
most brilliant hues, and carrying the thoughts of the Americans back
to their Northern homes.
Thus we advanced for about six miles and made camp, at an elevation
of 6,300 feet, on some old trincheras, with a fine view over the vast
country we had left below. Large flocks of gray pigeons of remarkable
size squatted on the pine trees nearby, and two specimens of the
gigantic woodpecker we here observed for the first time. 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. Now and then,
however, at exposed places we came upon trees broken off like matches,
telling of what terrific storms may rage over these solitary regions
that received us calmly enough. Not until we had reached the top did
we feel the wind blowing pretty hard from the ea
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