404 PROCEEDINGS OF THE OHIO ACADEMY OF SCIENCE. 



And now comes evidence to the same effect from Scan- 

 dinavia. Dr. Nils Olaf Hoist and Baron Gerard De Geer, two 

 of the best informed and most eminent geologists of Sweden 

 have gathered eviden.ce from a variety of sources proving that 

 the ice sheet did not melt away from southern Sweden until 7000 

 years ago. 



Thus we are brought to face the fact that Canada, the north- 

 ern part of the United States, Sweden, and probably Germany 

 and Central Russia were enveloped in glacial ice while the civil- 

 ization of Egypt, Mesopotamia, and Turkestan was at its height. 

 And so we must adjust our theories concerning the evolution 

 of history to the limitations of time here set and must allow 

 for periods of rapid changes in political and social conditions 

 and for the existence in the past as in the present of great di- 

 versity in the conditions of human existence in different parts 

 of the world. . 



And now at the last moment there comes to hand a monu- 

 mental work on the antiquity of man by Dr. Arthur Keith, of 

 London, one of the most eminent comparative anatomists of 

 the world. In this work, which gives the completest summary 

 hitherto made of the discovery of prehistoric human remains, 

 we are startled by conclusions of the most revolutionary sort. 

 Dr. Keith accepts as genuine relics of glacial man those reported 

 by Dr. Abbott and Mr. Ernest Volk from the glacial terrace 

 in the Delaware Valley at Trenton, New Jersey, the Newcom- 

 erstown implement discovered by Dr. Mills, and the Lansing 

 skull from the loess deposits of glacial age on the Concannon 

 farm at Lansing, near Leavenworth, Kansas-. These he syn- 

 chronizes with the skeletons found at Combe Capelle in France, 

 and Galley Hill, England, skulls which correspond in almost 

 every respect with those of man in modern Europe, and at the 

 same time with skulls of the Neanderthal type found at La 

 Chapelle, France, and from the Grotto de Spy, Belgium, of early 

 Pleistocene age. The remarkable conclusion is thus reached that 

 the development of the human brain and of the human anatomical 

 frame in general was fully completed early in the Pleistocene 

 period, and that the European races instead of ha\ing been 



