The Pathogenic Cyclopaedia, Part 1: Containing The Symptoms Of The Disposition, Mind And Head is a book written by Robert Ellis Dudgeon and published in 1850. The book is a comprehensive guide to the symptoms of various diseases and disorders affecting the disposition, mind, and head. It is divided into several sections, each focusing on a specific area of the body or type of symptom. The book provides detailed descriptions of the symptoms, including...