The Passing Of The Pink Elephant: A Text Book Of Psychopathic Zoology is a book written by Frank Vincent Waddy and published in 1919. The book is an exploration of the world of psychopathic zoology, a field that studies the behavior of animals with abnormal mental conditions. The book is divided into chapters that cover different aspects of the subject, such as the classification of psychopathic animals, their behavior in captivity, and the methods...