ABSORPTION SPECTRA. 



PLATE 2. 



.63 .! .ep .> .s,8 .v Jta .ss .l^k .^ 



'llllllllllllll! 



.S7 M .S5 . .Sj3 



.51 .BO .te .48 . .U .6 . .tg M M M .30 .38 .37 .30 .3E .3* .33 .92 .31 .30 .20 .28 .27 .26 .25 . .23 .22 .21 .20 



MMliiiiliiiiliniiiliiniiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiiiliiin^ 



FIG. 6. 



FIG. 9. 



FIG. 6. SEE NO. 11. PONCEAU 2 G. 



FIG. 7. SEE NO. 12. CHRYSO'fDINE. 



FIG. 8. SEE NO. 13. CHROMOTROPE 6 B. 



FIG. 9. SEE NO. 14. AZO COCCINE 2 R. 



M6l,IOTvPE CO., a05T0N. 



