COPYRIGHT, 1899, 1905, 

 BY CHEMICAL PUBLISHING CO. 



COPYRIGHT, 1908, 

 BY THE MACMILLAN COMPANY. 



Set up and electrotyped. Published June, 1908. 



s 



655" 



Norfoooti 



J. 8. Gushing Co. Berwick & Smith Co. 

 Norwood, Mass., U.S.A. 



