For sale by G. P. PUTNAM'S SONS, New York and London; J. B. BAILLIÈRE ET FILS, Paris; R. FRIEDLÄNDER & SOHN, Berlin; and at the Museum. Transcriber's Note: * Footnotes have been moved to the end of the article. * Text enclosed between equal signs was in bold face in the original (=bold=). End of the Project Gutenberg EBook of A Bilateral Division of the Parietal Bone in a Chimpanzee; with a Special, by Ales Hrdlicka