Wild Life on the Rockies

by Enos A. Mills

dress is finished with a tail-piece somewhat like that of the wren, though it is not upturned so much. The bird seems to love cascades, and often nests by one. It also shows its fondness for water by often flying along the brook, following every bend and break made by the stream, keeping close to the water all the time and frequently touching it. Over the quiet reaches it goes skimming; it plunges over the waterfalls, alights on rocks in the rapids, goes dashing through the spray, its every movement showing the ecstasies of eager life and joy in the hurrying water. Our ouzel was quietly feeding on the edge of the brook, when Harriet said good-bye as our ponies started up the trail.

Harriet had never been in school, but she could read, write, and sing. She had good health, and a brighter, cheerier little girl I have never seen. As we rode up the trail through the woods, the gray Douglas squirrels were busy with the harvest. They were cutting off and storing cones for winter food. In the treetops these squirrels seemed to be bouncing and darting in all directions. One would cut off a cone, then dart to the next,

and so swiftly that cones were constantly dropping. Frequently the cones struck limbs and bounded as they fell, often coming to the ground to bounce and roll some distance over the forest floor. An occasional one went rolling and bouncing down the steep mountain-side with two or three happy chipmunks in jolly pursuit.

We watched one squirrel stow cones under trash and in holes in the thick beds of needles. These cones were buried near a tree, in a dead limb of which the squirrel had a hole and a home. Harriet asked many questions concerning the cones,—why they were buried, how the squirrel found them when they were buried in the snow, and what became of those which were left buried. I told her that during the winter the squirrel came down and dug through the snow to the cones and then fed upon the nuts. I also told her that squirrels usually buried more cones than were eaten. The uneaten cones, being left in the ground, were in a way planted, and the nuts in them in time sprouted, and young trees came peeping up among the fallen leaves. The squirrel's way of observing Arbor Day makes him a useful

forester. Harriet said she would tell all her boy and girl friends what she knew of this squirrel's tree-planting ways, and would ask her uncle not to shoot the little tree-planter.

As we followed the trail up through the woods, I told Harriet many things concerning the trees, and the forces which influenced their distribution and growth. While we were traveling westward in the bottom of a gulch, I pointed out to her that the trees on the mountain that rose on the right and sloped toward the south were of a different kind from those on the mountain-side which rose on our left and sloped toward the north. After traveling four miles and climbing up two thousand feet above our starting-place, and, after from time to time coming to and passing kinds of trees which did not grow lower down the slopes, we at last came to timber-line, above which trees did not grow at all.

In North America between timber-line on the Rockies, at an altitude of about eleven thousand feet, and sea-level on the Florida coast, there are about six hundred and twenty kinds of trees and shrubs growing. Each kind usually grows in the soil

and clime that is best suited to its requirements; in other words, most trees are growing where they can do the best, or where they can do better than any other kind. Some trees do the best at the moist seashore; some thrive in swamps; others live only on the desert's edge; some live on the edge of a river; and still others manage to endure the storms of bleak heights.

At timber-line the trees have a hard time of it. All of them at this place are dwarfed, many distorted, some crushed to the earth, flattened out upon the ground like pressed flowers, by the snowdrifts that have so long lain upon them. The winter winds at this place blow almost constantly from the same quarter for days at a time, and often attain a high velocity. The effect of these winds is strikingly shown by the trees. None of the trees are tall, and most of them are leaning, pushed partly over by the wind. Some are sprawled on the ground like uncouth vines or spread out from the stump like a fan with the onsweeping direction of the storms. Most of the standing, unsheltered trees have limbs only on the leeward quarter, all the other limbs having been

blown off by the wind or cut off by the wind-blown gravel. Most of the exposed trees are destitute of bark on the portion of the trunk that faces these winter winds. Some of the dead standing trees are carved into strange totem-poles by the sand-blasts of many fierce storms. With all the trees warped or distorted, the effect of timber-line is weird and strange.