Early texts on the Cenozoic fossils of Aquitaine (1622–1767) and pioneering debates on the organic origin of fossils, the superpositioning of strata and the mobility of the seas

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Fig. 3

Troglodyte Chapel of Loubens, visited by Louis XIII in 1620.

The chapel was dug in the Burdigalian oyster level, the base of which is about 40 cm above ground level; postcard of the early 20^th century. The “Prayer for the King” (i.e., Louis XIII) has apparently been removed.

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