216 A CENTURY OF SCIENCE 



of many years of scientific activity are all being utilized ; 

 thus is the experience of the past translated into special 

 service in the present crisis. 



Notes. 



1 Hess, R. H., Foundations of National Prosperity, p. 100. 



2 Report Nat '1 Museum, 1904, pp. 189-733. 



Featherstonhaugh, J. D., Am. Geol., 3, 220, 1889. 



4 Whitney, Mineral Wealth of the United States, pp. 248-250. 



5 Foster and Whitney, 31st Cong., 1st session, House Doc. 69, pp. 13-14, 

 1850. 



9 First Annual Rept. U. S. Geol. Survey, p. 4. 



7 Wheeler, Report 3d Internat'l Geog. Cong., p. 492, 1885. 



8 The views of the writer on ' ' natural monopolies ' ' in the Government 

 service are set forth in an address delivered at the centennial celebration 

 of the U. S. Coast and Geodetic Survey, April 5, 1916. (See Science, vol. 

 43, pp. 659-665, May 12, 1916.) 



' For correspondence on this subject, see Minnesota Geol. Survey, Eighth 

 Ann. Rept., 1880, p. 173. 



10 Owen, D. D., 30th Cong., 1st sess., Senate Doc. No. 57, p. 7, 1848. 



11 This essential difference between present-day requirements and the 

 needs of earlier generations has been discussed by W. C. Mendenhall, the 

 geologist in charge of the Land Classification Board of the Geological 

 Survey: Proceedings 2d Pan-American Sci. Cong., 1915-16, 3, 761. 



