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Rh and the age of the engravings are established in the same manner as at Pair-non-Pair. An engraving from La Grèze representing the first phase in the development of parietal decoration is reproduced in figure 9.

Before leaving the caverns of the Vézère Valley it should be noted that recent discoveries there have not been confined to mural art alone. The classic station of Les Eyzies is only one of many rock-shelters in the same cliff. To the east of it only a few rods and at the same level is the station of Peyrille, yielding an industry with lower Magdalenian facies. A short distance to the west of the Grotte des Eyzies and at a slightly higher (2.50 meters) level is the rock-shelter of Escalifer, with lower Mousterian industry. A few meters still farther to the west and on the same level as Escalifer is the rock-shelter of Audi, with a superposition of Aurignacian on Mousterian. Some 5 or 6 miles to the east of this group of stations is the rock-shelter of Laussel near a chateau of the same name and also near the rock-shelter of La Grèze. Explored originally by E. Rivière in 1894, new excavations were made by Doctor Lalanne in 1908. The Laussel section revealed in stratigraphic position a succession of layers, including Acheulian, Mousterian, Aurignacian in two separate horizons, and Solutréan.