"Gaston Darboux: Biographie, Bibliographie analytique des écrits" by Ernest Lebon is a biographical and bibliographical account written in the early 20th century. The book focuses on the life and contributions of Jean-Gaston Darboux, a prominent French mathematician known for his work in geometry and analysis. This work likely aims to provide insights into Darboux's academic achievements and his significance in the field of mathematics. At the start of the volume, the text introduces Gas