""Description Of An Ancient Anomalous Skeleton From The Valley Of Mexico: With Special Reference To Supernumerary And Bicipital Ribs In Man"" is a scientific book written by Ales Hrdlicka in 1899. The book is a detailed description of an ancient skeleton found in the Valley of Mexico, with a focus on the presence of supernumerary and bicipital ribs in the human body. Hrdlicka provides a thorough analysis of the skeleton's physical features, including...