The cover is lightly textured with a black decorative border. The cover corners are lightly bumped and discolored. The gilt on the backstrip is darkened and there is discoloration on the upper and lower backstrip. The back cover is good with black decoration. There is light foxing on the endpapers and title page. There are quarter-page black and white illustrations of microorganisms throughout the book. The interior pages are crisp and intact with mild tanning throughout and heavy foxing. Some of the foxing spots are large.
Table of Contents: Une Exursion Dans L’Invisible, Nos Parasites, Microphytes et Microzoaires, L’Architecture Microscopique, L’Organisation des Insectes, Les Secrets des Plantes, et Les Seuil de L’Infini. {An Excursion Into the Invisible, Our Parasites, Microphytes and Microzoa, Microscopic Architecture, The Organization of Insects, The Secrets of Plants, and the Thresholds of Infinity}.