I9I3.] SEE— ORIGIN OF HIMALAYA MOUNTAINS 515 



And as the Andes are well known to have been formed by the 

 sea, in the way we have described, it is certain that the same cause 

 uplifted the Himalayas and the plateau of Tibet. 



From these considerations it will be seen that the modern sci- 

 ences of geogony and cosmogony are closely related, and that 

 neither can be perfectly developed without the aid of the other. 

 Just as it is impossible to develop a satisfactory theory of the forma- 

 tion of the earth without data drawn from the modern science of 

 cosmogony ; so also cosmogony itself has been much improved by 

 a science of geogony which gives a correct theory of terrestrial 

 mountain formation. For that has aided in establishing the origin 

 of the lunar craters, and the early growth of the earth itself by im- 

 pact. The existing ranges of mountains have been subsequently 

 formed by the sea and thus made parallel to the coasts. On the 

 other hand, without the theory that the mountains generally are 

 formed by the ocean, which is so clearly established for the typical 

 range of the Andes, running exactly north and south, our ideas of 

 the origin of the Himalayas might have remained obscure for ages. 



It is scarcely necessary to point out that these results illustrate 



somewhat impressively the value of a comprehensive vision in the 



study of the sciences. Without this power for comparing together 



the most remote objects there can be no progress in discovery of 



the highest order. 



Starlight on Loutre, 

 Montgomery City, 

 Missouri, 



March 27, 1913. 



