Samuel George Morton 
Crania Ægyptiaca [EPUB ebook] 
Or, Observations on Egyptian Ethnography Derived from Anatomy, History and the Monuments

This book is about observations on Egyptian ethnography, derived from anatomy, history and the monuments. The author Morton, who is also an American physician, believed in polygenism and that the skull capacity influenced the intellectual ability. In this work he focuses on the measurements and particularities of crania found in Egyptian tombs and compare them to other nationalities.