The ""Elementary Textbook of Zoology V1: General Part and Special Part, Protozoa to Insecta"" is a comprehensive book written by Carl Friedrich Wilhelm Claus in 1884. The book is divided into two parts, the general part, and the special part. The general part covers the basic principles of zoology, including the classification of animals, their morphology, physiology, and behavior. The special part covers the different classes of animals, starting...