ON ABSORPTION srECTRA AND CHEMICAL CONSTITUTION. 



m 



Morphine.^ 

 C„n„NO, + H,0. 



Solution in Alcohol. 

 (Fig. 1.) 



CODEINE.- 



"The spectra of codeine are nearly identical with tliose of morphine.- 



' Hartley, PIM. Trams. , 1885, Part II., p. 4TL = Hartlcj-, loo. vit. 



m2 



