This book, "The testimony of modern science to the unity of mankind being a summary of the conclusions announced by the highest authorities in the several departments of physiology, zoology, and comparative philology in favor of the specific unity and common origin o. 30 n1", by J.L. Cabell, is a replication of a book originally published before 1860. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.