COPYRIGHT, 1908 AND 1917, 

 Bv THE MACMILLAN COMPANY. 



Set up and electrotyped. Published February, 1908. Reprinted] 

 July, 1909; August, 1913. 



Second edition, revised, September, 1917. 



EDUC.- 



PSYCH. 

 LIBRARY 



Add'l 



GIFT 



Norinoob 



J. 8. Gushing Co. Berwick <k Smith Co. 

 Norwood, Mass., U.S.A. 



