""A Contribution To The Study Of The Insect Fauna Of Human Excrement"" is a scientific book written by Leland Ossian Howard and published in 1900. The book is a comprehensive study of the various insects that inhabit human excrement. It provides a detailed examination of the life cycles, behavior, and morphology of these insects. The author begins the book by discussing the importance of studying the insect fauna of human excrement, as it can provide...