📕 Excerpt from Annales de la Société Géologique du Nord, 1891, Vol. 19Barrois, Th., Professeur à la Faculté de Médecine, rue de Lannoy, 17, Lille. Batteur, Pharmacien, rue Royale, 43, Lille.Bayet Louis, lngen*, Walcourt. Près Charleroi (belgique). Becourt, Inspecteur des Forêts au Quesnoy.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books.This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.