""Evolution of Mammalian Molar Teeth: To and From the Triangular Type Including Collected and (1907)"" is a scientific book written by Henry Fairfield Osborn. The book explores the evolution of mammalian molar teeth, specifically focusing on the transition from the triangular type of teeth to other types. Osborn provides detailed descriptions and illustrations of various mammalian teeth, including those of extinct species. He also discusses the theories...