There was no further question of authority between us; Woola was my devoted slave from that moment hence, and I his only and undisputed master. My walk to the hills occupied but a few minutes, and I found nothing of particular interest to reward me. Numerous brilliantly colored and strangely formed wild flowers dotted the ravines and from the summit of the first hill I saw still other hills stretching off toward the north, and rising, one range above another, until lost in mountains of quite respectable dimensions; though I afterward found that only a few peaks on all Mars exceed four thousand feet in height; the suggestion of magnitude was merely relative.