Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXIX. No. 4. — August, 1903. 



THE ANOMALOUS DISPERSION, ABSORPTION, AND 

 SURFACE COLOR OF N1TROSO DIMETHYL-ANILINE. 



BV 11. W. Wood. 

 With Three Plates. 



Investigations ox Light and Heat made or published, wholly or in part, with Appropriations 



FROM THE Kl'MFORD Fu.ND. 



