[22] M. Boule, "L'homme fossile de la Chapelle-aux-Saints," _Annales de Paleontologie_, 1911 (1913). Cf. also H. Obermaier, _Der Mensch der Vorzeit_, 1912, p. 364. [23] _Prehistoric Man_, 1912, p. 60. [24] _Der Mensch der Vorzeit_, 1912, p. 365. [25] This is not generally accepted. See A. Keith's diagram, p. 5 and pp. 9-10. [26] W. J. Sollas, "On the Cranial and Facial Characters of the Neandertal Race," _Phil. Trans._ 1907, CXCIV. [27] J. Fraipont and M. Lohest, "Recherches Ethnographiques sur les Ossements Humains," etc., _Arch. de Biologie_, 1887. [28] Gorjanovi[vc]-Kramberger, _Der diluviale Mensch von Krapina in Kroatia_, 1906. [29] M. Boule, "L'homme fossile de la Chapelle-aux-Saints," _L'Anthr._ XIX. 1908, and _Annales de Paleontologie_, 1911 (1913). [30] H. Klaatsch, _Praehistorische Zeitschrift_, Vol. I. 1909. [31] Peyrony and Capitan, _Rev. de l'Ecole d'Anthrop._ 1909; _Bull. Soc. d'Anthr. de Paris_, 1910. [32] G. Schwalbe, "Der Schaedel von Bruex," _Zeitschr. f. Morph. u. Anthr._ 1906. [33] Makowsky, "Der diluviale Mensch in Loess von Bruenn," _Mitt. Anthrop. Gesell. in Wien_, 1892. [34] See A. Keith, _The Antiquity of Man_, 1915, Chap. X. [35] H. Klaatsch, "Die Aurignac-Rasse," etc., _Zeitschr. f. Ethn._ LII. 1910. [36] L. Lartet, "Une sepulture des troglodytes du Perigord," and Broca, "Sur les cranes et ossements des Eyzies," _Bull. Soc. d'Anthr._ de Paris, 1868. [37] R. Verneau, _Les Grottes de Grimaldi_, 1906-11. [38] For a complete list with bibliographical references, see H. Obermaier, "Les restes humains Quaternaires dans l'Europe centrale," _Anthr._ 1905, p. 385, 1906, p. 55. [39] A. Keith, _The Antiquity of Man_, 1915, p. 158. See also W. J. Sollas, _Ancient Hunters_, 1915, p. 186 ff. [40] H. Klaatsch, "Die Aurignac-Rasse," _Zeitschr. f. Eth._ 1910, LII. p. 513. [41] The Mesvinian implements are now accepted as artefacts and placed by H. Obermaier immediately below the Chellean, though M. Commont interprets them as Acheulean or even later. See W. J. Sollas, _Ancient Hunters_, 1915, p. 132 ff. [42] R. Smith and H. Dewey, "Stratification at Swanscombe," _Archaeologia_, LXIV. 1912. [43] So called from Chelles-sur-Marne, near Paris. [44] Cf. J. Dechelette, _Manuel d'Archeologie prehistorique_, I. 1908, p. 89. [45] From Aurignac (Haute-Garonne), Solutre (Saone-et-Loire), and La Madeleine (Dordogne). [46] Mas-d'Azil, Ariege. [47] W. J. Sollas, _Ancient Hunters_, 1915, pp. 378-9. [48] "Les Subdivisions de paleolithique superieur," _Congres Internat. d'Anth._ 1912, XIV. pp. 190-3. [49] H. Breuil and E. Cartailhac, _La Caverne d'Altamira_, 1906. For a list of decorated caves, with the names of their discoverers, see J. Dechelette, _Manuel d'Archeologie prehistorique_, I. 1908, p. 241. A complete _Repertoire de l'Art Quaternaire_ is given by S. Reinach, 1913; and for chronology see E. Piette, "Classifications des Sediments formes dans les cavernes pendant l'Age du Renne," _Anthr._ 1904.