""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 detailed study of the insects that are found in human excrement, including their taxonomy, morphology, and behavior. The author focuses on the various species of flies, beetles, and other insects that are commonly found in human waste, and provides a comprehensive analysis of their life cycles,...