as they are now, graded, brushed, and smoothed by Forest Services or Chambers of Commerce. They were really rough and precipitous. It took Boyd some time to become accustomed to riding on them. The park horses he knew would never have been able to keep their footing in the loose stones and on the big outcropping boulders, over which these animals clambered so blithely. These trails, too, stood disconcertingly on end, so that the horses had to scramble hard with many humping heaves to reach a foothold where they could breathe; or they bunched all their feet together and sat back to slide. It was most unhorselike. And Boyd for a long time rested his weight on the inside stirrup where the trail narrowed, and the outside stirrup hung out over blue depths where the buzzards soared below him. He leaned slightly inward and looked straight ahead and conversed rather disjointedly. It was not that he was actually afraid, but he certainly was nervous. Those gay old birds, his companions, knew perfectly for they had been there themselves. Therefore they delighted at such times in trotting their horses, leaning forward to slap Boyd's animal on the haunches with their morales—the braided whip-like ends of the reins. After a while Boyd came to understand that to these hillbred horses, such a terrain was as safe as a boulevard. Then he relaxed and enjoyed himself.
The trails started in the canons with their shady oaks and sycamores, their parks of grass and flowers, their leaping sparkling streams with boulders and pools, waterfalls and fern banks; they climbed by lacets to a "hogsback"—or tributary ridge—through overarching cascara and mountain lilac; and so proceeded to upper regions. The sun against the shade and the chaparral warmed to life many odours. White of cascara, blue of lilac powdered whole mountain sides with bloom; the leaves of the mountain cherries glittered in the sun, and the satin red bark of manzanita glowed. The air was like crystal under the blue sky, and the single notes of the mountain quail rang clear as though the crystal had been struck. Cañon slopes fell away grandly. Great mathematical shadows defined the sharp ridge—and the abrupt foldings of the hills. The sky was a steady, calm watchful blue. No wonder old boys—old, but always
