Peyrony, M. (and Capitan). _Bulletins de la Société d’anthropologie de Paris_, 1909–1910. Pilcher, Maj.-Gen. Thomas L. “The Present Situation in India,” _Outlook_, March 10, 1920. Pilgrim, J. “The Correlation of the Siwaliks with the Mammal Horizons of Europe,” _Records of the Geological Survey of India_, vol. XLIII, part 4, pp. 264–326. Pliny. _Natural History._ Plutarch’s _Lives_, Langhorne translation. London, Frederick Warne & Co. Poirot, J. “Review of Atlas de Finlande,” _Annales de géographie_, vol. XXII, pp. 310–325 and 417–426. Poisson, G. “L’Origine latin des Roumaniens,” _Revue anthropologique_, t. XXVII, pp. 357–379, Paris, 1917. Pollard, A. F. _A Political History of England_, vol. IV. London, Longmans, Green & Co., 1915. Polybius. _History._ Popenoe, Paul. “One Phase of Man’s Modern Evolution,” _19th Internat’l Congress of Americanists_, pp. 617 _seq._, Washington, D. C., 1915. Pösche, T. _Der Arier._ Jena, 1878. Procopius. _A History of the Wars_, translated by H. B. Dewing, Loeb Classical Library. New York, Putnam; and London, Wm. Heinemann, 1919. Pruner-Bey: 1. “Sur la langue Euskara,” _Bull. Soc. d’anth._, pp. 39–71, 1867. 2. “Sur l’origine de l’ancienne race égyptienne,” _Mém. Soc. d’anth._, t. I, pp. 399–433. 1860. Pumpelly, Raphael. _Explorations in Turkestan._ Washington, D. C., Carnegie Inst., 1905 and 1908. Punnett, R. C. _Mendelism_, 3d edition. Macmillan, 1911. Quintus Curtius Rufus. _Historiarum Alexandri Magni Libri Decem._ Ranke, Johannes. _Der Mensch._ Leipsig, 1886–7. Ratzel, Friedrich. _The History of Mankind._ Macmillan, 1908. Read, Charles H. _A Guide to the Antiquities of the Bronze Age._ British Museum Handbook. Reade, Arthur. _Finland and the Finns._ New York, 1915. Reid, Sir G. Archdall: 1. _The Laws of Heredity._ London, Methuen & Co., 1910. 2. _The Principles of Heredity._ London, Chapman & Hall, 1905. Reinach, Salomon: 1. “Les Gaulois dans l’art antique,” _Revue Archéologique_, série 3, t. XII, pp. 273–284; série 3, t. XIII, pp. 13–22, 187–203, 317–352. 1888–1889. 2. “Inscription attique relative à l’invasion des Galates en Grèce,” _Rev. Celtique_, série 11, pp. 80–85. 3. “Le Mirage oriental,” _L’Anth._, série 4, pp. 539–578, 697–732. 4. _Repertoire de l’art quaternaire._ Paris, 1913. 5. “La sculpture en Europe avant les influences gréco-romaines,” _L’Anth._, série 5, pp. 15–34,173–186, 288–305; 6, pp. 168–194. (With Alexandre Bertrand.) _Les Celts dans les vallées du Pô et du Danube._ Paris, E. Leroux, 1894. Reisner, George A. _The Early Dynastic Cemeteries of Naga-ed-Dêr._ University of California publications, 1908; Leipsig, J. C. Hinrichs, 1905. Renwick, George. _Finland Today._ New York, 1911.