Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXIX. No. 4. — August, 1903. 



THE ANOMALOUS DISPERSION, ABSORPTION, AND 

 SURFACE COLOR OF N ITROSO-DIMETHTL-ANILINE. 



By R. W. Wood. 



With Three Plates. 



Investigations on Light and Heat made or purlished, wholly or in part, with Appropriations 



PROM THE liUMFORD FUND. 



