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Rh error. It has perpetrated a joke, a miserable pun—Foix produces patés de foie gras.

Were there but coal-mines near at hand Foix would revive, for the whole county is full of iron ore. Foix bleeds iron from its veins, but the ferruginous springs run away into the river. The stars in their courses fight against Foix; the valley of the Arget was full of nailmakers at one time—in 1835 there were forty-seven forges. Now their fires are put out: machine-made nails have killed the hand-made nails. Those made in the Barguillère, the valley of the Arget, were for horseshoes, and the makers dubbed themselves chevaliers. The extinction of the little forges has led to depopulation; between 1891 and 1901 there was a loss of 27,092 inhabitants in that district.

To the north of the town rises a steep hill, on the summit of which is the hermitage of S. Sauveur, but the last hermit has departed this life; his occupation also is gone, and he has no successor. The Administration has put an end to the hermits.

In the neighbourhood of Foix is the Grotto de l'Herme, that has yielded notable finds of prehistoric man. But the main curiosity is the Mas d'Azil, where the river Arize has bored its way through the limestone barrier of the Planturel. This long chain opposed a passage northwards to the river descending from the mountains to the south. The Arize discovered a fault in the barrier and pierced it, forming a noble arch 250 feet high. Beside it is an artificial gallery bored for the passage of the road. The length of the tunnel is 1250 feet. The road follows the right bank of the Arize, separated from it by a wall of rock. The river descends into the gallery, the average width of which is ninety-five feet, breaking over masses of rock that have fallen from the roof. Above the left bank, under the huge vault, rises a natural column, called the