He continued A. Daubrée on comparative geology and experimental geology. He worked on the geology of the Paris basin. He was a professor at the Museum of Natural History.Autograph letter signed Paris, 14.04.1908: "permettez-moi de vous soumettre le très curieux article, d'une émouvante actualité...".Autograph letter signed dated Paris le 14 Avril 1908. He submitted to Georges Montorgueil an article by Mr Bruyere, "head of the reptile menagerie at the Museum", a highly documented study that would have been well received in "L'Eclair" at a time "où tout le monde frémit à l'histoire de ce belluaire de New York qui vient d'être étouffé aux trois quart par un boa...". 1 p. In-8.