THEORY OF COLORS. 



Refraction of a Ray of Light. At plane Surfaces. By a Prism. The Prismatic S|w?ctruni. The 

 Decomposition of Li^lit. Newton's Discoveries. Colors of the Spectrum. Brewster'n Discovery 

 of three Colors How three Colors can produce the Spectrum. Colors of natural Bodie How 

 they are produced. 



