Conklin, Edwin G.: 1. _Heredity and Environment._ Princeton University Press, 1915. 2. “The Mechanism of Evolution in the Light of Hereditary Development,” _Scientific Monthly_, vols. IX, no. 6, 1919, and X, nos. 1, 2, 3, 1920. Constantinus Porphyrogenitus. _Corpus scriptorum historiæ byzantinæ._ Conway, R. S.: 1. _Early Italic Dialects._ Cambridge University Press, 1897. 2. “The Pre-Hellenic Inscriptions of Præsos,” _Annual of the British School at Athens_, vol. VIII, pp. 125–157. 3. “A Third Eteocretan Fragment,” _Ann. Brit. Sch. at Athens_, vol. X, pp. 115–127. Crawford, O. G. S. “Distribution of Early Bronze Age Settlements in Britain,” _Geographical Journal_, XL, pp. 184 _seq._, 1912. Cuno, J. G. _Forschungen im Gebiete der alten Völkerkunde._ Berlin, 1871. Cvijič, Jovan: 1. “The Geographical Distribution of the Balkan Peoples,” _Geographical Review_, vol. V, no. 5, pp. 345–361, May, 1918. 2. “The Zones of Civilization of the Balkan Peninsula,” _Geog. Rev._, vol. V, no. 6, June, 1918. Darwin, Charles. _The Descent of Man_, 2d ed. London, John Murray, 1901. Davenport, Charles B.: 1. _The Feebly Inhibited, Nomadism ... Inheritance of Temperament._ Washington, D. C., Carnegie Institution, 1915. 2. _Heredity in Relation to Eugenics._ New York, Henry Holt & Co., 1911. Davis, J. Barnard: 1. _Thesaurus Craniorum._ London, 1867. 2. (With J. Thurnam.) _Crania Britannica._ 2 vols. London, 1865. Dawkins, W. Boyd. _Early Man in Britain._ London, Macmillan, 1880. Dawson, Charles: 1. “On the Discovery of a Palæolithic Human Skull and Mandible in a Flint-bearing Gravel Overlaying the Wealden (Hastings Beds) at Piltdown, Fletching, Sussex.” With an appendix by Prof. G. Elliot Smith (with A. Smith Woodward), _Quarterly Journal of the Geological Society_, vol. LXIX, part I, pp. 117–151, London, 1913. 2. “Prehistoric Man in Sussex,” _Zoologist_, series 4, vol. XVII, pp. 33–36. 3. “Supplementary note, On the Discovery of a Palæolithic Human Skull and Mandible,” _Quart. Jour. Geol. Soc._, vol. LXX, pp. 82–99, London, 1914. Déchelette, J. _Manuel d’archéologie._ Paris, A. Picard et Fils, 1908. Deniker, J.: 1. “Les races de l’Europe, Note préliminaire,” _L’anthropologie_, vol. IX, pp. 113–133, Paris, 1898. 2. _The Races of Man_. New York, Scribner; London, Walter Scott, 1902. Dill, Samuel: 1. _Roman Society in the Last Century of the Western Empire_, 2d ed. Macmillan, 1906. 2. _Roman Society from Nero to Marcus Aurelius._ Macmillan, 1905. Diodorus Siculus. _Bibliothecæ historicæ._ Dionysius Perigetes. _Orbis descriptio._ Dottin, G. _Manuel Celtique._ Paris, Édouard Champion, 1915. Dubois, E. _Pithecanthropus Erectus, eine menschenähnliche Uebergangsform aus Java._ Batavia, 1894.