As basic rules of a language must be practiced continually, and therefore are never fixed, so exercises toward distinct color effects never are done or over. New and different cases will be discovered time and again. ↗
The weather was fine, the valleys literally covered with buffaloe, and everything seemed to promise a safe and speedy movement to the first grove of timber on my route, supposed to be about ten days' march. ↗
These mountains appear to be almost entirely composed of stratas of rock of various colours (mostly red) and are partially covered with a dwarfish growth of pine and cedar, which are the only species of timber to be seen. ↗