HISTORICAL GEOLOGY 121 



seem to meet at the point where organic and inorganic 

 nature become one. That this point will yet be reached, 

 I cannot doubt. ' ' 



This Synthetic period, foreshadowed also in Herbert 

 Spencer's Synthetic Philosophy, has not yet arrived, but 

 before long another great leader will appear. We have 

 the prophecy of his coming in such books as The Fitness 

 of the Environment, by Lawrence J. Henderson, 1913; 

 The Origin and Nature of Life, by Benjamin Moore, 

 1913; The Organism as a Whole, by Jacques Loeb, 1916; 

 and The Origin and Evolution of Life, by Henry F. 

 Osborn, 1917. 



In all nature, inorganic and organic, there is continuity 

 and consistency, beauty and design. We are beginning 

 to see that there are eternal laws, ever interacting and 

 resulting in progressive and regressive evolutions. The 

 realization of these scientific revelations kindles in us a 

 desire for more knowledge, and the grandest revelations 

 are yet before us in the synthesis of the sciences. 



Notes. 



1 For more detail in regard to these tillites and the older ones see Climates 

 of Geologic Time, by Charles Schuchert, being Chapter XXI in Hunting- 

 ton's Climatic Factor as Illustrated in Arid America, Publication No. 

 192 of the Carnegie Institution of Washington, 1914. Also Arthur P. 

 Coleman's presidential address before the Geological Society of America 

 in 1915, Dry Land in Geology, published in the Society's Bulletin, 27, 

 175, 1916. 



