COPYRIGHT, 1896, 

 BY MACMILLAN AND CO. 



Set up and electrotyped January, 1896. Reprinted September, 

 1897. 



*** THESIS PRESENTED TO THE CORNELL UNIVERSITY FOR THE DEGRKE 



OF MASTER OF SCIENCE. 



Nortoooti 



J. S. Gushing & Co. Berwick & Smith 

 Norwood Mass. U.S.A. 



