Louis Hugounenq. Traité Des Poisons: Hygiène Industrielle – Chimie Légale (Treatise on Poisons: Industrial Hygiene – Forensic Chemistry). Paris: G. Masson, 1891. First edition.  Octavo. 509pp. Sparsely illustrated. Contemporary green quarter leather over marbled paper boards, spine lettered in gilt, five raised bands, marbled endleaves. Includes chapters on Arsenic, Cyanide.....