📗 Excerpt from Mémoires de l'Académie des Sciences Inscriptions Et Belles-Lettres de Toulouse, 1912, Vol. 12M. Giran (henri), I., professeur à la Faculté des sciences, Secrétaire adjoint.M. Maurel (edouard), O. I., professeur honoraire à la Faculté de médecine, Trésorier perpétuel.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.