from some still unknown source, and are therefore doubly interesting. He says: "They went through a narrow defile (portezuela) which was named Chichiltic-calli (which means 'red house,' because there was a house there plastered on the outside with red earth, called almagre). There they found fir-trees with fir-cones full of good meat. On the top of a rock lay skulls of rams with large horns, and some said they had seen three or four of these sheep, which were very swift-footed."
Not one of these descriptions corresponds with the Casa Grande of Arizona, and still less do they fit the Casas Grandes in Chihuahua. The latter is even quite out of the question. The former is situated a mile and a half south of the bank of the Gila, in a wide waterless plain of dazzling grayish-white sand and marl. The plain stretches out of sight in the south, but the horizon is bounded in the distant west by the low range of the Maricopa hills, while in the east the Sierra Tortilla is visible in the distance. On the north bank of the Gila the foot-hills of the Superstition Mountains rise precipitously, and back of them that range unfolds itself like a broken wall, overlooked by the Sierra Masásar in the northwest, while in the northeast the Sierra Final lifts itself up, the only range crowned with fir-trees. All the near mountains are marked by an awful wildness, frightful steepness, and terrible cliffs and gorges, while the vegetation is sparse and exclusively thorny. There are found the beautiful red-flowered ocotilla (Fouquiera splendens), the creosote-plant (Larrea gigantea), and quantities of mezcal-agaves. Every plant pricks and the
