930 



GEOLOGY 



European archaeological geologists, that man was present in southern 

 and central Europe during the later part of the glacial period, and 



Fig. 608. Etching of an aurochs on a slab of slate, from the bone cave of 

 Les Eyzies, Dordogne, France, (^ size). This sketch may be instruc- 

 tively compared with the similar work of the ancient Assyrians and 

 Egyptians. (Prestwick.) 



perhaps even early in the period. Penck x would place his beginni n.<r 

 as far back as the interglacial epoch which, he thinks, may corre- 

 spond with the North American Yarmouth (p. 874). 



References relative to the antiquity of man: Abbott, C. C., Peabody Acad. 

 Sci., Salem, 1881; Proc. Host. Soc. Nat. Hist., Vol. XXII, 1884; and Vol. 

 XXIII, Smiths. Kept., 1875, and Pop. Sci. Monthly, 1889; Babbitt, F. V... 

 Am. Nat., Vol. XVIII, 1884; Becker, G. F., Bull. Geol. Soc. of Am., Vol. II; 

 Blake, W. P., Jour. Geol., Vol. VIII, 1899; Chamberlin, T. C., Jour. Geol., Vol. 

 X; Geikie, James, The Great Ice Age, pp. 616-690; and Prehistoric Europe, pp. 

 568 et seq.; Gilbert, G. K., Sci. Am. Supp., Vol. XXIII, 1887; LyeU, Sir- 

 Charles, Antiquity of Man; McGee, W J, Am. Geol., Vol. XXII, pp. 96-lJii: 

 Sci., new ser., Vol. IX, pp. 104-105; Salisbury, R. D., Sci., new ser., Vol. VI. 

 pp. 977-981, 1897; Upham, Warren, Science, Vol. XVI, pp. 355-6; Am. Geol.. 

 Vols. XXX and XXXI; Whitney, J. D., Cal. Proc. Acad. of Sci., Vol. Ill, pp. 

 277-278; Am. Jour. Sci., 2d ser., Vol. 43, pp. 265-267, 1867; The Auriferous 

 Gravels of the Sierra Nevada of California, Cambridge, 1879; Williston, S. W.. 

 Science, new ser., Vol. XVI; Winchell, N. H., Bull. Geol. Soc. of Am., V.>1. 

 XIV; Am. Geol., Vols. XXX and XXXI; Wright, G. F., Bull. Essrx lust., 

 Vol. XIII, 1882; Ohio Arch., and Hist. Quart., 1887; The Ice Age in Xorlh 

 America and its Bearings upon the Antiquity of Man, pp. 506-571; Man <ni<t 

 the Glacial Period, pp. 243-307; Brit. Assoc. Adv. Sci. Kept, for 1891. 



1 Science, Vol. XXIX, 1909, p. 359. 



